18346237

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 23327136

約数和(自身を除く): 4980899

約数列:

[1, 7, 13, 49, 83, 91, 347, 581, 637, 1079, 2429, 4067, 4511, 7553, 17003, 28801, 31577, 52871, 201607, 221039, 374413, 1411249, 2620891, 18346237]

約数ペア:

[(1, 18346237), (7, 2620891), (13, 1411249), (49, 374413), (83, 221039), (91, 201607), (347, 52871), (581, 31577), (637, 28801), (1079, 17003), (2429, 7553), (4067, 4511)]