19951352

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80449}}^1$

素因数の和:80486

約数の個数: 16

約数和(自身を含む): 38616000

約数和(自身を除く): 18664648

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80449, 160898, 321796, 643592, 2493919, 4987838, 9975676, 19951352]

約数ペア:

[(1, 19951352), (2, 9975676), (4, 4987838), (8, 2493919), (31, 643592), (62, 321796), (124, 160898), (248, 80449)]