18217858

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 11538302

約数列:

[1, 2, 29, 41, 47, 58, 82, 94, 163, 326, 1189, 1363, 1927, 2378, 2726, 3854, 4727, 6683, 7661, 9454, 13366, 15322, 55883, 111766, 193807, 222169, 314101, 387614, 444338, 628202, 9108929, 18217858]

約数ペア:

[(1, 18217858), (2, 9108929), (29, 628202), (41, 444338), (47, 387614), (58, 314101), (82, 222169), (94, 193807), (163, 111766), (326, 55883), (1189, 15322), (1363, 13366), (1927, 9454), (2378, 7661), (2726, 6683), (3854, 4727)]