19912048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95731}}^1$

素因数の和:95752

約数の個数: 20

約数和(自身を含む): 41547688

約数和(自身を除く): 21635640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95731, 191462, 382924, 765848, 1244503, 1531696, 2489006, 4978012, 9956024, 19912048]

約数ペア:

[(1, 19912048), (2, 9956024), (4, 4978012), (8, 2489006), (13, 1531696), (16, 1244503), (26, 765848), (52, 382924), (104, 191462), (208, 95731)]