19744504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189851}}^1$

素因数の和:189870

約数の個数: 16

約数和(自身を含む): 39868920

約数和(自身を除く): 20124416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189851, 379702, 759404, 1518808, 2468063, 4936126, 9872252, 19744504]

約数ペア:

[(1, 19744504), (2, 9872252), (4, 4936126), (8, 2468063), (13, 1518808), (26, 759404), (52, 379702), (104, 189851)]