18370233

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 31711680

約数和(自身を除く): 13341447

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 181, 189, 537, 543, 567, 1253, 1267, 1611, 1629, 3759, 3801, 4833, 4887, 11277, 11403, 14499, 14661, 32399, 33831, 34209, 97197, 101493, 102627, 226793, 291591, 680379, 874773, 2041137, 2624319, 6123411, 18370233]

約数ペア:

[(1, 18370233), (3, 6123411), (7, 2624319), (9, 2041137), (21, 874773), (27, 680379), (63, 291591), (81, 226793), (179, 102627), (181, 101493), (189, 97197), (537, 34209), (543, 33831), (567, 32399), (1253, 14661), (1267, 14499), (1611, 11403), (1629, 11277), (3759, 4887), (3801, 4833)]