18127408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87151}}^1$

素因数の和:87172

約数の個数: 20

約数和(自身を含む): 37823968

約数和(自身を除く): 19696560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87151, 174302, 348604, 697208, 1132963, 1394416, 2265926, 4531852, 9063704, 18127408]

約数ペア:

[(1, 18127408), (2, 9063704), (4, 4531852), (8, 2265926), (13, 1394416), (16, 1132963), (26, 697208), (52, 348604), (104, 174302), (208, 87151)]