18854870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 36181728

約数和(自身を除く): 17326858

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 563, 985, 1126, 1970, 2815, 3349, 5630, 6698, 9571, 16745, 19142, 33490, 47855, 95710, 110911, 221822, 554555, 1109110, 1885487, 3770974, 9427435, 18854870]

約数ペア:

[(1, 18854870), (2, 9427435), (5, 3770974), (10, 1885487), (17, 1109110), (34, 554555), (85, 221822), (170, 110911), (197, 95710), (394, 47855), (563, 33490), (985, 19142), (1126, 16745), (1970, 9571), (2815, 6698), (3349, 5630)]