18737108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{881}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 35438760

約数和(自身を除く): 16701652

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 881, 1636, 1762, 3524, 5317, 10634, 11453, 21268, 22906, 45812, 360329, 720658, 1441316, 4684277, 9368554, 18737108]

約数ペア:

[(1, 18737108), (2, 9368554), (4, 4684277), (13, 1441316), (26, 720658), (52, 360329), (409, 45812), (818, 22906), (881, 21268), (1636, 11453), (1762, 10634), (3524, 5317)]