19017909

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 28977312

約数和(自身を除く): 9959403

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1283, 1647, 3849, 4941, 11547, 14823, 34641, 78263, 103923, 234789, 311769, 704367, 2113101, 6339303, 19017909]

約数ペア:

[(1, 19017909), (3, 6339303), (9, 2113101), (27, 704367), (61, 311769), (81, 234789), (183, 103923), (243, 78263), (549, 34641), (1283, 14823), (1647, 11547), (3849, 4941)]