19794308

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 35784504

約数和(自身を除く): 15990196

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 881, 1762, 3524, 5617, 11234, 22468, 36121, 72242, 120697, 144484, 241394, 482788, 4948577, 9897154, 19794308]

約数ペア:

[(1, 19794308), (2, 9897154), (4, 4948577), (41, 482788), (82, 241394), (137, 144484), (164, 120697), (274, 72242), (548, 36121), (881, 22468), (1762, 11234), (3524, 5617)]