19791056

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4813}}^1$

素因数の和:5078

約数の個数: 20

約数和(自身を含む): 38502372

約数和(自身を除く): 18711316

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4813, 9626, 19252, 38504, 77008, 1236941, 2473882, 4947764, 9895528, 19791056]

約数ペア:

[(1, 19791056), (2, 9895528), (4, 4947764), (8, 2473882), (16, 1236941), (257, 77008), (514, 38504), (1028, 19252), (2056, 9626), (4112, 4813)]