18201924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 36834876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 36, 38, 39, 46, 52, 57, 69, 76, 78, 89, 92, 114, 117, 138, 156, 171, 178, 207, 228, 234, 247, 267, 276, 299, 342, 356, 414, 437, 468, 494, 534, 598, 684, 741, 801, 828, 874, 897, 988, 1068, 1157, 1196, 1311, 1482, 1602, 1691, 1748, 1794, 2047, 2223, 2314, 2622, 2691, 2964, 3204, 3382, 3471, 3588, 3933, 4094, 4446, 4628, 5073, 5244, 5382, 5681, 6141, 6764, 6942, 7866, 8188, 8892, 10146, 10413, 10764, 11362, 12282, 13884, 15219, 15732, 17043, 18423, 20292, 20826, 21983, 22724, 24564, 26611, 30438, 34086, 36846, 38893, 41652, 43966, 51129, 53222, 60876, 65949, 68172, 73692, 77786, 79833, 87932, 102258, 106444, 116679, 131898, 155572, 159666, 197847, 204516, 233358, 239499, 263796, 319332, 350037, 395694, 466716, 478998, 505609, 700074, 791388, 957996, 1011218, 1400148, 1516827, 2022436, 3033654, 4550481, 6067308, 9100962, 18201924]

約数ペア:

[(1, 18201924), (2, 9100962), (3, 6067308), (4, 4550481), (6, 3033654), (9, 2022436), (12, 1516827), (13, 1400148), (18, 1011218), (19, 957996), (23, 791388), (26, 700074), (36, 505609), (38, 478998), (39, 466716), (46, 395694), (52, 350037), (57, 319332), (69, 263796), (76, 239499), (78, 233358), (89, 204516), (92, 197847), (114, 159666), (117, 155572), (138, 131898), (156, 116679), (171, 106444), (178, 102258), (207, 87932), (228, 79833), (234, 77786), (247, 73692), (267, 68172), (276, 65949), (299, 60876), (342, 53222), (356, 51129), (414, 43966), (437, 41652), (468, 38893), (494, 36846), (534, 34086), (598, 30438), (684, 26611), (741, 24564), (801, 22724), (828, 21983), (874, 20826), (897, 20292), (988, 18423), (1068, 17043), (1157, 15732), (1196, 15219), (1311, 13884), (1482, 12282), (1602, 11362), (1691, 10764), (1748, 10413), (1794, 10146), (2047, 8892), (2223, 8188), (2314, 7866), (2622, 6942), (2691, 6764), (2964, 6141), (3204, 5681), (3382, 5382), (3471, 5244), (3588, 5073), (3933, 4628), (4094, 4446)]