18472887

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10419273

約数列:

[1, 3, 9, 23, 27, 69, 151, 197, 207, 453, 591, 621, 1359, 1773, 3473, 4077, 4531, 5319, 10419, 13593, 29747, 31257, 40779, 89241, 93771, 122337, 267723, 684181, 803169, 2052543, 6157629, 18472887]

約数ペア:

[(1, 18472887), (3, 6157629), (9, 2052543), (23, 803169), (27, 684181), (69, 267723), (151, 122337), (197, 93771), (207, 89241), (453, 40779), (591, 31257), (621, 29747), (1359, 13593), (1773, 10419), (3473, 5319), (4077, 4531)]