19912448

素因数分解:

$2^8\times {\mathrm{77783}}^1$

素因数の和:77799

約数の個数: 18

約数和(自身を含む): 39747624

約数和(自身を除く): 19835176

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77783, 155566, 311132, 622264, 1244528, 2489056, 4978112, 9956224, 19912448]

約数ペア:

[(1, 19912448), (2, 9956224), (4, 4978112), (8, 2489056), (16, 1244528), (32, 622264), (64, 311132), (128, 155566), (256, 77783)]