18437913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2671}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 29178240

約数和(自身を除く): 10740327

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 2671, 6903, 8013, 24039, 34723, 104169, 157589, 312507, 472767, 1418301, 2048657, 6145971, 18437913]

約数ペア:

[(1, 18437913), (3, 6145971), (9, 2048657), (13, 1418301), (39, 472767), (59, 312507), (117, 157589), (177, 104169), (531, 34723), (767, 24039), (2301, 8013), (2671, 6903)]