18972810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210809}}^1$

素因数の和:210822

約数の個数: 24

約数和(自身を含む): 49329540

約数和(自身を除く): 30356730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210809, 421618, 632427, 1054045, 1264854, 1897281, 2108090, 3162135, 3794562, 6324270, 9486405, 18972810]

約数ペア:

[(1, 18972810), (2, 9486405), (3, 6324270), (5, 3794562), (6, 3162135), (9, 2108090), (10, 1897281), (15, 1264854), (18, 1054045), (30, 632427), (45, 421618), (90, 210809)]