18735704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3833}}^1$

素因数の和:3899

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 19911016

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3833, 4888, 7666, 15332, 30664, 49829, 99658, 180151, 199316, 360302, 398632, 720604, 1441208, 2341963, 4683926, 9367852, 18735704]

約数ペア:

[(1, 18735704), (2, 9367852), (4, 4683926), (8, 2341963), (13, 1441208), (26, 720604), (47, 398632), (52, 360302), (94, 199316), (104, 180151), (188, 99658), (376, 49829), (611, 30664), (1222, 15332), (2444, 7666), (3833, 4888)]