18287581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 20301120

約数和(自身を除く): 2013539

約数列:

[1, 13, 59, 113, 211, 767, 1469, 2743, 6667, 12449, 23843, 86671, 161837, 309959, 1406737, 18287581]

約数ペア:

[(1, 18287581), (13, 1406737), (59, 309959), (113, 161837), (211, 86671), (767, 23843), (1469, 12449), (2743, 6667)]