18993210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 47672064

約数和(自身を除く): 28678854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 71, 74, 111, 142, 185, 213, 222, 241, 355, 370, 426, 482, 555, 710, 723, 1065, 1110, 1205, 1446, 2130, 2410, 2627, 3615, 5254, 7230, 7881, 8917, 13135, 15762, 17111, 17834, 26270, 26751, 34222, 39405, 44585, 51333, 53502, 78810, 85555, 89170, 102666, 133755, 171110, 256665, 267510, 513330, 633107, 1266214, 1899321, 3165535, 3798642, 6331070, 9496605, 18993210]

約数ペア:

[(1, 18993210), (2, 9496605), (3, 6331070), (5, 3798642), (6, 3165535), (10, 1899321), (15, 1266214), (30, 633107), (37, 513330), (71, 267510), (74, 256665), (111, 171110), (142, 133755), (185, 102666), (213, 89170), (222, 85555), (241, 78810), (355, 53502), (370, 51333), (426, 44585), (482, 39405), (555, 34222), (710, 26751), (723, 26270), (1065, 17834), (1110, 17111), (1205, 15762), (1446, 13135), (2130, 8917), (2410, 7881), (2627, 7230), (3615, 5254)]