18951037

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 23068800

約数和(自身を除く): 4117763

約数列:

[1, 7, 19, 89, 133, 623, 1601, 1691, 11207, 11837, 30419, 142489, 212933, 997423, 2707291, 18951037]

約数ペア:

[(1, 18951037), (7, 2707291), (19, 997423), (89, 212933), (133, 142489), (623, 30419), (1601, 11837), (1691, 11207)]