18724812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 45313632

約数和(自身を除く): 26588820

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 233, 362, 444, 466, 543, 699, 724, 932, 1086, 1398, 2172, 2796, 6697, 8621, 13394, 17242, 20091, 25863, 26788, 34484, 40182, 42173, 51726, 80364, 84346, 103452, 126519, 168692, 253038, 506076, 1560401, 3120802, 4681203, 6241604, 9362406, 18724812]

約数ペア:

[(1, 18724812), (2, 9362406), (3, 6241604), (4, 4681203), (6, 3120802), (12, 1560401), (37, 506076), (74, 253038), (111, 168692), (148, 126519), (181, 103452), (222, 84346), (233, 80364), (362, 51726), (444, 42173), (466, 40182), (543, 34484), (699, 26788), (724, 25863), (932, 20091), (1086, 17242), (1398, 13394), (2172, 8621), (2796, 6697)]