18595580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 39921672

約数和(自身を除く): 21326092

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 331, 530, 662, 1060, 1324, 1655, 2809, 3310, 5618, 6620, 11236, 14045, 17543, 28090, 35086, 56180, 70172, 87715, 175430, 350860, 929779, 1859558, 3719116, 4648895, 9297790, 18595580]

約数ペア:

[(1, 18595580), (2, 9297790), (4, 4648895), (5, 3719116), (10, 1859558), (20, 929779), (53, 350860), (106, 175430), (212, 87715), (265, 70172), (331, 56180), (530, 35086), (662, 28090), (1060, 17543), (1324, 14045), (1655, 11236), (2809, 6620), (3310, 5618)]