18689710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11059}}^1$

素因数の和:11092

約数の個数: 24

約数和(自身を含む): 36431640

約数和(自身を除く): 17741930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11059, 22118, 55295, 110590, 143767, 287534, 718835, 1437670, 1868971, 3737942, 9344855, 18689710]

約数ペア:

[(1, 18689710), (2, 9344855), (5, 3737942), (10, 1868971), (13, 1437670), (26, 718835), (65, 287534), (130, 143767), (169, 110590), (338, 55295), (845, 22118), (1690, 11059)]