19819852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{677}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 37474416

約数和(自身を除く): 17654564

約数列:

[1, 2, 4, 13, 26, 52, 563, 677, 1126, 1354, 2252, 2708, 7319, 8801, 14638, 17602, 29276, 35204, 381151, 762302, 1524604, 4954963, 9909926, 19819852]

約数ペア:

[(1, 19819852), (2, 9909926), (4, 4954963), (13, 1524604), (26, 762302), (52, 381151), (563, 35204), (677, 29276), (1126, 17602), (1354, 14638), (2252, 8801), (2708, 7319)]