1813890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4651}}^1$

素因数の和:4674

約数の個数: 32

約数和(自身を含む): 4689216

約数和(自身を除く): 2875326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 4651, 9302, 13953, 23255, 27906, 46510, 60463, 69765, 120926, 139530, 181389, 302315, 362778, 604630, 906945, 1813890]

約数ペア:

[(1, 1813890), (2, 906945), (3, 604630), (5, 362778), (6, 302315), (10, 181389), (13, 139530), (15, 120926), (26, 69765), (30, 60463), (39, 46510), (65, 27906), (78, 23255), (130, 13953), (195, 9302), (390, 4651)]