19839664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95383}}^1$

素因数の和:95404

約数の個数: 20

約数和(自身を含む): 41396656

約数和(自身を除く): 21556992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95383, 190766, 381532, 763064, 1239979, 1526128, 2479958, 4959916, 9919832, 19839664]

約数ペア:

[(1, 19839664), (2, 9919832), (4, 4959916), (8, 2479958), (13, 1526128), (16, 1239979), (26, 763064), (52, 381532), (104, 190766), (208, 95383)]