18785007

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10107153

約数列:

[1, 3, 9, 27, 47, 113, 131, 141, 339, 393, 423, 1017, 1179, 1269, 3051, 3537, 5311, 6157, 14803, 15933, 18471, 44409, 47799, 55413, 133227, 143397, 166239, 399681, 695741, 2087223, 6261669, 18785007]

約数ペア:

[(1, 18785007), (3, 6261669), (9, 2087223), (27, 695741), (47, 399681), (113, 166239), (131, 143397), (141, 133227), (339, 55413), (393, 47799), (423, 44409), (1017, 18471), (1179, 15933), (1269, 14803), (3051, 6157), (3537, 5311)]