18675885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54133}}^1$

素因数の和:54164

約数の個数: 16

約数和(自身を含む): 31181184

約数和(自身を除く): 12505299

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54133, 162399, 270665, 811995, 1245059, 3735177, 6225295, 18675885]

約数ペア:

[(1, 18675885), (3, 6225295), (5, 3735177), (15, 1245059), (23, 811995), (69, 270665), (115, 162399), (345, 54133)]