18008685

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2549}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 31426200

約数和(自身を除く): 13417515

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2549, 7065, 7647, 12745, 22941, 38235, 114705, 400193, 1200579, 2000965, 3601737, 6002895, 18008685]

約数ペア:

[(1, 18008685), (3, 6002895), (5, 3601737), (9, 2000965), (15, 1200579), (45, 400193), (157, 114705), (471, 38235), (785, 22941), (1413, 12745), (2355, 7647), (2549, 7065)]