18175664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87383}}^1$

素因数の和:87404

約数の個数: 20

約数和(自身を含む): 37924656

約数和(自身を除く): 19748992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87383, 174766, 349532, 699064, 1135979, 1398128, 2271958, 4543916, 9087832, 18175664]

約数ペア:

[(1, 18175664), (2, 9087832), (4, 4543916), (8, 2271958), (13, 1398128), (16, 1135979), (26, 699064), (52, 349532), (104, 174766), (208, 87383)]