19128628

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 34301960

約数和(自身を除く): 15173332

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 601, 1202, 2404, 7957, 15914, 31828, 43873, 65509, 87746, 131018, 175492, 262036, 4782157, 9564314, 19128628]

約数ペア:

[(1, 19128628), (2, 9564314), (4, 4782157), (73, 262036), (109, 175492), (146, 131018), (218, 87746), (292, 65509), (436, 43873), (601, 31828), (1202, 15914), (2404, 7957)]