19699010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 17884990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 521, 995, 1042, 1990, 2605, 3781, 5210, 7562, 9899, 18905, 19798, 37810, 49495, 98990, 103679, 207358, 518395, 1036790, 1969901, 3939802, 9849505, 19699010]

約数ペア:

[(1, 19699010), (2, 9849505), (5, 3939802), (10, 1969901), (19, 1036790), (38, 518395), (95, 207358), (190, 103679), (199, 98990), (398, 49495), (521, 37810), (995, 19798), (1042, 18905), (1990, 9899), (2605, 7562), (3781, 5210)]