18375189

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3821}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 28129920

約数和(自身を除く): 9754731

約数列:

[1, 3, 7, 21, 229, 687, 1603, 3821, 4809, 11463, 26747, 80241, 875009, 2625027, 6125063, 18375189]

約数ペア:

[(1, 18375189), (3, 6125063), (7, 2625027), (21, 875009), (229, 80241), (687, 26747), (1603, 11463), (3821, 4809)]