19848088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 40395600

約数和(自身を除く): 20547512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1373, 1807, 2746, 3614, 5492, 7228, 10984, 14456, 17849, 35698, 71396, 142792, 190847, 381694, 763388, 1526776, 2481011, 4962022, 9924044, 19848088]

約数ペア:

[(1, 19848088), (2, 9924044), (4, 4962022), (8, 2481011), (13, 1526776), (26, 763388), (52, 381694), (104, 190847), (139, 142792), (278, 71396), (556, 35698), (1112, 17849), (1373, 14456), (1807, 10984), (2746, 7228), (3614, 5492)]