18812965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9623}}^1$

素因数の和:9668

約数の個数: 16

約数和(自身を含む): 24945408

約数和(自身を除く): 6132443

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9623, 48115, 163591, 221329, 817955, 1106645, 3762593, 18812965]

約数ペア:

[(1, 18812965), (5, 3762593), (17, 1106645), (23, 817955), (85, 221329), (115, 163591), (391, 48115), (1955, 9623)]