19127260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 42932736

約数和(自身を除く): 23805476

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 967, 989, 1934, 1978, 3868, 3956, 4835, 4945, 9670, 9890, 19340, 19780, 22241, 41581, 44482, 83162, 88964, 111205, 166324, 207905, 222410, 415810, 444820, 831620, 956363, 1912726, 3825452, 4781815, 9563630, 19127260]

約数ペア:

[(1, 19127260), (2, 9563630), (4, 4781815), (5, 3825452), (10, 1912726), (20, 956363), (23, 831620), (43, 444820), (46, 415810), (86, 222410), (92, 207905), (115, 166324), (172, 111205), (215, 88964), (230, 83162), (430, 44482), (460, 41581), (860, 22241), (967, 19780), (989, 19340), (1934, 9890), (1978, 9670), (3868, 4945), (3956, 4835)]