18774405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16868475

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 479, 585, 603, 871, 1005, 1437, 2395, 2613, 3015, 4311, 4355, 6227, 7185, 7839, 13065, 18681, 21555, 31135, 32093, 39195, 56043, 93405, 96279, 160465, 280215, 288837, 417209, 481395, 1251627, 1444185, 2086045, 3754881, 6258135, 18774405]

約数ペア:

[(1, 18774405), (3, 6258135), (5, 3754881), (9, 2086045), (13, 1444185), (15, 1251627), (39, 481395), (45, 417209), (65, 288837), (67, 280215), (117, 160465), (195, 96279), (201, 93405), (335, 56043), (479, 39195), (585, 32093), (603, 31135), (871, 21555), (1005, 18681), (1437, 13065), (2395, 7839), (2613, 7185), (3015, 6227), (4311, 4355)]