17990636

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 32497584

約数和(自身を除く): 14506948

約数列:

[1, 2, 4, 41, 82, 163, 164, 326, 652, 673, 1346, 2692, 6683, 13366, 26732, 27593, 55186, 109699, 110372, 219398, 438796, 4497659, 8995318, 17990636]

約数ペア:

[(1, 17990636), (2, 8995318), (4, 4497659), (41, 438796), (82, 219398), (163, 110372), (164, 109699), (326, 55186), (652, 27593), (673, 26732), (1346, 13366), (2692, 6683)]