18985104

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 58225440

約数和(自身を除く): 39240336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 257, 304, 324, 342, 432, 456, 486, 513, 514, 648, 684, 771, 912, 972, 1026, 1028, 1296, 1368, 1539, 1542, 1944, 2052, 2056, 2313, 2736, 3078, 3084, 3888, 4104, 4112, 4617, 4626, 4883, 6156, 6168, 6939, 8208, 9234, 9252, 9766, 12312, 12336, 13878, 14649, 18468, 18504, 19532, 20817, 24624, 27756, 29298, 36936, 37008, 39064, 41634, 43947, 55512, 58596, 62451, 73872, 78128, 83268, 87894, 111024, 117192, 124902, 131841, 166536, 175788, 234384, 249804, 263682, 333072, 351576, 395523, 499608, 527364, 703152, 791046, 999216, 1054728, 1186569, 1582092, 2109456, 2373138, 3164184, 4746276, 6328368, 9492552, 18985104]

約数ペア:

[(1, 18985104), (2, 9492552), (3, 6328368), (4, 4746276), (6, 3164184), (8, 2373138), (9, 2109456), (12, 1582092), (16, 1186569), (18, 1054728), (19, 999216), (24, 791046), (27, 703152), (36, 527364), (38, 499608), (48, 395523), (54, 351576), (57, 333072), (72, 263682), (76, 249804), (81, 234384), (108, 175788), (114, 166536), (144, 131841), (152, 124902), (162, 117192), (171, 111024), (216, 87894), (228, 83268), (243, 78128), (257, 73872), (304, 62451), (324, 58596), (342, 55512), (432, 43947), (456, 41634), (486, 39064), (513, 37008), (514, 36936), (648, 29298), (684, 27756), (771, 24624), (912, 20817), (972, 19532), (1026, 18504), (1028, 18468), (1296, 14649), (1368, 13878), (1539, 12336), (1542, 12312), (1944, 9766), (2052, 9252), (2056, 9234), (2313, 8208), (2736, 6939), (3078, 6168), (3084, 6156), (3888, 4883), (4104, 4626), (4112, 4617)]