18564221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 21337344

約数和(自身を除く): 2773123

約数列:

[1, 13, 17, 167, 221, 503, 2171, 2839, 6539, 8551, 36907, 84001, 111163, 1092013, 1428017, 18564221]

約数ペア:

[(1, 18564221), (13, 1428017), (17, 1092013), (167, 111163), (221, 84001), (503, 36907), (2171, 8551), (2839, 6539)]