19819648

素因数分解:

$2^7\times {\mathrm{154841}}^1$

素因数の和:154855

約数の個数: 16

約数和(自身を含む): 39484710

約数和(自身を除く): 19665062

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154841, 309682, 619364, 1238728, 2477456, 4954912, 9909824, 19819648]

約数ペア:

[(1, 19819648), (2, 9909824), (4, 4954912), (8, 2477456), (16, 1238728), (32, 619364), (64, 309682), (128, 154841)]