19787994

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{26813}}^1$

素因数の和:26862

約数の個数: 24

約数和(自身を含む): 43921332

約数和(自身を除く): 24133338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 26813, 53626, 80439, 160878, 241317, 482634, 1099333, 2198666, 3297999, 6595998, 9893997, 19787994]

約数ペア:

[(1, 19787994), (2, 9893997), (3, 6595998), (6, 3297999), (9, 2198666), (18, 1099333), (41, 482634), (82, 241317), (123, 160878), (246, 80439), (369, 53626), (738, 26813)]