19648912

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{2917}}^1$

素因数の和:3346

約数の個数: 20

約数和(自身を含む): 38173276

約数和(自身を除く): 18524364

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 2917, 3368, 5834, 6736, 11668, 23336, 46672, 1228057, 2456114, 4912228, 9824456, 19648912]

約数ペア:

[(1, 19648912), (2, 9824456), (4, 4912228), (8, 2456114), (16, 1228057), (421, 46672), (842, 23336), (1684, 11668), (2917, 6736), (3368, 5834)]