19865528

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13001}}^1$

素因数の和:13198

約数の個数: 16

約数和(自身を含む): 37445760

約数和(自身を除く): 17580232

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13001, 26002, 52004, 104008, 2483191, 4966382, 9932764, 19865528]

約数ペア:

[(1, 19865528), (2, 9932764), (4, 4966382), (8, 2483191), (191, 104008), (382, 52004), (764, 26002), (1528, 13001)]