19180811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 22024800

約数和(自身を除く): 2843989

約数列:

[1, 13, 17, 221, 229, 379, 2977, 3893, 4927, 6443, 50609, 83759, 86791, 1128283, 1475447, 19180811]

約数ペア:

[(1, 19180811), (13, 1475447), (17, 1128283), (221, 86791), (229, 83759), (379, 50609), (2977, 6443), (3893, 4927)]