18846280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3001}}^1$

素因数の和:3169

約数の個数: 32

約数和(自身を含む): 42688440

約数和(自身を除く): 23842160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3001, 3140, 6002, 6280, 12004, 15005, 24008, 30010, 60020, 120040, 471157, 942314, 1884628, 2355785, 3769256, 4711570, 9423140, 18846280]

約数ペア:

[(1, 18846280), (2, 9423140), (4, 4711570), (5, 3769256), (8, 2355785), (10, 1884628), (20, 942314), (40, 471157), (157, 120040), (314, 60020), (628, 30010), (785, 24008), (1256, 15005), (1570, 12004), (3001, 6280), (3140, 6002)]