19311728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70999}}^1$

素因数の和:71024

約数の個数: 20

約数和(自身を含む): 39618000

約数和(自身を除く): 20306272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70999, 141998, 283996, 567992, 1135984, 1206983, 2413966, 4827932, 9655864, 19311728]

約数ペア:

[(1, 19311728), (2, 9655864), (4, 4827932), (8, 2413966), (16, 1206983), (17, 1135984), (34, 567992), (68, 283996), (136, 141998), (272, 70999)]