19663312

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1663}}^1$

素因数の和:2410

約数の個数: 20

約数和(自身を含む): 38172160

約数和(自身を除く): 18508848

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1663, 2956, 3326, 5912, 6652, 11824, 13304, 26608, 1228957, 2457914, 4915828, 9831656, 19663312]

約数ペア:

[(1, 19663312), (2, 9831656), (4, 4915828), (8, 2457914), (16, 1228957), (739, 26608), (1478, 13304), (1663, 11824), (2956, 6652), (3326, 5912)]