19245290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 17474710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 509, 995, 1018, 1990, 2545, 3781, 5090, 7562, 9671, 18905, 19342, 37810, 48355, 96710, 101291, 202582, 506455, 1012910, 1924529, 3849058, 9622645, 19245290]

約数ペア:

[(1, 19245290), (2, 9622645), (5, 3849058), (10, 1924529), (19, 1012910), (38, 506455), (95, 202582), (190, 101291), (199, 96710), (398, 48355), (509, 37810), (995, 19342), (1018, 18905), (1990, 9671), (2545, 7562), (3781, 5090)]