18556330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 36162000

約数和(自身を除く): 17605670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 409, 698, 818, 1745, 2045, 3490, 4090, 4537, 5317, 9074, 10634, 22685, 26585, 45370, 53170, 142741, 285482, 713705, 1427410, 1855633, 3711266, 9278165, 18556330]

約数ペア:

[(1, 18556330), (2, 9278165), (5, 3711266), (10, 1855633), (13, 1427410), (26, 713705), (65, 285482), (130, 142741), (349, 53170), (409, 45370), (698, 26585), (818, 22685), (1745, 10634), (2045, 9074), (3490, 5317), (4090, 4537)]