18956630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3517}}^1$

素因数の和:3549

約数の個数: 48

約数和(自身を含む): 43313616

約数和(自身を除く): 24356986

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3517, 5390, 7034, 17585, 24619, 35170, 38687, 49238, 77374, 123095, 172333, 193435, 246190, 270809, 344666, 386870, 541618, 861665, 1354045, 1723330, 1895663, 2708090, 3791326, 9478315, 18956630]

約数ペア:

[(1, 18956630), (2, 9478315), (5, 3791326), (7, 2708090), (10, 1895663), (11, 1723330), (14, 1354045), (22, 861665), (35, 541618), (49, 386870), (55, 344666), (70, 270809), (77, 246190), (98, 193435), (110, 172333), (154, 123095), (245, 77374), (385, 49238), (490, 38687), (539, 35170), (770, 24619), (1078, 17585), (2695, 7034), (3517, 5390)]