19965296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95987}}^1$

素因数の和:96008

約数の個数: 20

約数和(自身を含む): 41658792

約数和(自身を除く): 21693496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95987, 191974, 383948, 767896, 1247831, 1535792, 2495662, 4991324, 9982648, 19965296]

約数ペア:

[(1, 19965296), (2, 9982648), (4, 4991324), (8, 2495662), (13, 1535792), (16, 1247831), (26, 767896), (52, 383948), (104, 191974), (208, 95987)]