18215290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 34389504

約数和(自身を除く): 16174214

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 877, 1754, 2077, 4154, 4385, 8770, 10385, 20770, 27187, 54374, 58759, 117518, 135935, 271870, 293795, 587590, 1821529, 3643058, 9107645, 18215290]

約数ペア:

[(1, 18215290), (2, 9107645), (5, 3643058), (10, 1821529), (31, 587590), (62, 293795), (67, 271870), (134, 135935), (155, 117518), (310, 58759), (335, 54374), (670, 27187), (877, 20770), (1754, 10385), (2077, 8770), (4154, 4385)]