18353985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 32164608

約数和(自身を除く): 13810623

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1543, 2379, 3965, 4629, 7715, 11895, 20059, 23145, 60177, 94123, 100295, 282369, 300885, 470615, 1223599, 1411845, 3670797, 6117995, 18353985]

約数ペア:

[(1, 18353985), (3, 6117995), (5, 3670797), (13, 1411845), (15, 1223599), (39, 470615), (61, 300885), (65, 282369), (183, 100295), (195, 94123), (305, 60177), (793, 23145), (915, 20059), (1543, 11895), (2379, 7715), (3965, 4629)]