18837286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 24

約数和(自身を含む): 31262112

約数和(自身を除く): 12424826

約数列:

[1, 2, 13, 26, 41, 82, 431, 533, 862, 1066, 1681, 3362, 5603, 11206, 17671, 21853, 35342, 43706, 229723, 459446, 724511, 1449022, 9418643, 18837286]

約数ペア:

[(1, 18837286), (2, 9418643), (13, 1449022), (26, 724511), (41, 459446), (82, 229723), (431, 43706), (533, 35342), (862, 21853), (1066, 17671), (1681, 11206), (3362, 5603)]