19849460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43151}}^1$

素因数の和:43183

約数の個数: 24

約数和(自身を含む): 43497216

約数和(自身を除く): 23647756

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43151, 86302, 172604, 215755, 431510, 863020, 992473, 1984946, 3969892, 4962365, 9924730, 19849460]

約数ペア:

[(1, 19849460), (2, 9924730), (4, 4962365), (5, 3969892), (10, 1984946), (20, 992473), (23, 863020), (46, 431510), (92, 215755), (115, 172604), (230, 86302), (460, 43151)]