18639308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 33890304

約数和(自身を除く): 15250996

約数列:

[1, 2, 4, 31, 62, 124, 191, 382, 764, 787, 1574, 3148, 5921, 11842, 23684, 24397, 48794, 97588, 150317, 300634, 601268, 4659827, 9319654, 18639308]

約数ペア:

[(1, 18639308), (2, 9319654), (4, 4659827), (31, 601268), (62, 300634), (124, 150317), (191, 97588), (382, 48794), (764, 24397), (787, 23684), (1574, 11842), (3148, 5921)]