18191355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13327}}^1$

素因数の和:13355

約数の個数: 32

約数和(自身を含む): 35825664

約数和(自身を除く): 17634309

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13327, 39981, 66635, 93289, 173251, 199905, 279867, 466445, 519753, 866255, 1212757, 1399335, 2598765, 3638271, 6063785, 18191355]

約数ペア:

[(1, 18191355), (3, 6063785), (5, 3638271), (7, 2598765), (13, 1399335), (15, 1212757), (21, 866255), (35, 519753), (39, 466445), (65, 279867), (91, 199905), (105, 173251), (195, 93289), (273, 66635), (455, 39981), (1365, 13327)]