18138411

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3744

約数の個数: 20

約数和(自身を含む): 27547344

約数和(自身を除く): 9408933

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3671, 4941, 11013, 33039, 99117, 223931, 297351, 671793, 2015379, 6046137, 18138411]

約数ペア:

[(1, 18138411), (3, 6046137), (9, 2015379), (27, 671793), (61, 297351), (81, 223931), (183, 99117), (549, 33039), (1647, 11013), (3671, 4941)]