18987437504

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1647

約数の個数: 224

約数和(自身を含む): 47816048640

約数和(自身を除く): 28828611136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 47, 56, 62, 64, 76, 94, 112, 124, 133, 152, 188, 217, 224, 248, 266, 304, 329, 376, 434, 448, 496, 532, 589, 608, 658, 752, 868, 893, 992, 1064, 1178, 1216, 1316, 1457, 1504, 1531, 1736, 1786, 1984, 2128, 2356, 2632, 2914, 3008, 3062, 3472, 3572, 4123, 4256, 4712, 5264, 5828, 6124, 6251, 6944, 7144, 8246, 8512, 9424, 10199, 10528, 10717, 11656, 12248, 12502, 13888, 14288, 16492, 18848, 20398, 21056, 21434, 23312, 24496, 25004, 27683, 28576, 29089, 32984, 37696, 40796, 42868, 46624, 47461, 48992, 50008, 55366, 57152, 58178, 65968, 71957, 81592, 85736, 93248, 94922, 97984, 100016, 110732, 116356, 131936, 143914, 163184, 171472, 189844, 193781, 200032, 203623, 221464, 232712, 263872, 287828, 326368, 332227, 342944, 379688, 387562, 400064, 407246, 442928, 465424, 503699, 575656, 652736, 664454, 685888, 759376, 775124, 814492, 885856, 901759, 930848, 1007398, 1151312, 1328908, 1367183, 1518752, 1550248, 1628984, 1771712, 1803518, 1861696, 2014796, 2230667, 2302624, 2657816, 2734366, 3037504, 3100496, 3257968, 3607036, 4029592, 4461334, 4605248, 5315632, 5468732, 6200992, 6312313, 6515936, 7214072, 8059184, 8922668, 9570281, 10631264, 10937464, 12401984, 12624626, 13031872, 14428144, 15614669, 16118368, 17845336, 19140562, 21262528, 21874928, 25249252, 28856288, 31229338, 32236736, 35690672, 38281124, 42382673, 43749856, 50498504, 57712576, 62458676, 71381344, 76562248, 84765346, 87499712, 100997008, 124917352, 142762688, 153124496, 169530692, 201994016, 249834704, 296678711, 306248992, 339061384, 403988032, 499669408, 593357422, 612497984, 678122768, 999338816, 1186714844, 1356245536, 2373429688, 2712491072, 4746859376, 9493718752, 18987437504]

約数ペア:

[(1, 18987437504), (2, 9493718752), (4, 4746859376), (7, 2712491072), (8, 2373429688), (14, 1356245536), (16, 1186714844), (19, 999338816), (28, 678122768), (31, 612497984), (32, 593357422), (38, 499669408), (47, 403988032), (56, 339061384), (62, 306248992), (64, 296678711), (76, 249834704), (94, 201994016), (112, 169530692), (124, 153124496), (133, 142762688), (152, 124917352), (188, 100997008), (217, 87499712), (224, 84765346), (248, 76562248), (266, 71381344), (304, 62458676), (329, 57712576), (376, 50498504), (434, 43749856), (448, 42382673), (496, 38281124), (532, 35690672), (589, 32236736), (608, 31229338), (658, 28856288), (752, 25249252), (868, 21874928), (893, 21262528), (992, 19140562), (1064, 17845336), (1178, 16118368), (1216, 15614669), (1316, 14428144), (1457, 13031872), (1504, 12624626), (1531, 12401984), (1736, 10937464), (1786, 10631264), (1984, 9570281), (2128, 8922668), (2356, 8059184), (2632, 7214072), (2914, 6515936), (3008, 6312313), (3062, 6200992), (3472, 5468732), (3572, 5315632), (4123, 4605248), (4256, 4461334), (4712, 4029592), (5264, 3607036), (5828, 3257968), (6124, 3100496), (6251, 3037504), (6944, 2734366), (7144, 2657816), (8246, 2302624), (8512, 2230667), (9424, 2014796), (10199, 1861696), (10528, 1803518), (10717, 1771712), (11656, 1628984), (12248, 1550248), (12502, 1518752), (13888, 1367183), (14288, 1328908), (16492, 1151312), (18848, 1007398), (20398, 930848), (21056, 901759), (21434, 885856), (23312, 814492), (24496, 775124), (25004, 759376), (27683, 685888), (28576, 664454), (29089, 652736), (32984, 575656), (37696, 503699), (40796, 465424), (42868, 442928), (46624, 407246), (47461, 400064), (48992, 387562), (50008, 379688), (55366, 342944), (57152, 332227), (58178, 326368), (65968, 287828), (71957, 263872), (81592, 232712), (85736, 221464), (93248, 203623), (94922, 200032), (97984, 193781), (100016, 189844), (110732, 171472), (116356, 163184), (131936, 143914)]