18869886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4877

約数の個数: 48

約数和(自身を含む): 48242688

約数和(自身を除く): 29372802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 4831, 9662, 14493, 28986, 33817, 43479, 67634, 86958, 101451, 149761, 202902, 299522, 304353, 449283, 608706, 898566, 1048327, 1347849, 2096654, 2695698, 3144981, 6289962, 9434943, 18869886]

約数ペア:

[(1, 18869886), (2, 9434943), (3, 6289962), (6, 3144981), (7, 2695698), (9, 2096654), (14, 1347849), (18, 1048327), (21, 898566), (31, 608706), (42, 449283), (62, 304353), (63, 299522), (93, 202902), (126, 149761), (186, 101451), (217, 86958), (279, 67634), (434, 43479), (558, 33817), (651, 28986), (1302, 14493), (1953, 9662), (3906, 4831)]