19114612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 37340548

約数和(自身を除く): 18225936

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 541, 803, 1082, 1606, 2164, 3212, 5951, 8833, 11902, 17666, 23804, 35332, 39493, 65461, 78986, 130922, 157972, 261844, 434423, 868846, 1737692, 4778653, 9557306, 19114612]

約数ペア:

[(1, 19114612), (2, 9557306), (4, 4778653), (11, 1737692), (22, 868846), (44, 434423), (73, 261844), (121, 157972), (146, 130922), (242, 78986), (292, 65461), (484, 39493), (541, 35332), (803, 23804), (1082, 17666), (1606, 11902), (2164, 8833), (3212, 5951)]