18130005

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3989}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 31744440

約数和(自身を除く): 13614435

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 3989, 4545, 11967, 19945, 35901, 59835, 179505, 402889, 1208667, 2014445, 3626001, 6043335, 18130005]

約数ペア:

[(1, 18130005), (3, 6043335), (5, 3626001), (9, 2014445), (15, 1208667), (45, 402889), (101, 179505), (303, 59835), (505, 35901), (909, 19945), (1515, 11967), (3989, 4545)]