19703216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94727}}^1$

素因数の和:94748

約数の個数: 20

約数和(自身を含む): 41111952

約数和(自身を除く): 21408736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94727, 189454, 378908, 757816, 1231451, 1515632, 2462902, 4925804, 9851608, 19703216]

約数ペア:

[(1, 19703216), (2, 9851608), (4, 4925804), (8, 2462902), (13, 1515632), (16, 1231451), (26, 757816), (52, 378908), (104, 189454), (208, 94727)]