1918382011

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{397757}}^1$

素因数の和:397830

約数の個数: 16

約数和(自身を含む): 2405640384

約数和(自身を除く): 487258373

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 397757, 2784299, 5170841, 21081121, 36195887, 147567847, 274054573, 1918382011]

約数ペア:

[(1, 1918382011), (7, 274054573), (13, 147567847), (53, 36195887), (91, 21081121), (371, 5170841), (689, 2784299), (4823, 397757)]