18818371

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7741}}^1$

素因数の和:7782

約数の個数: 16

約数和(自身を含む): 23411808

約数和(自身を除く): 4593437

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7741, 85151, 100633, 131597, 1106963, 1447567, 1710761, 18818371]

約数ペア:

[(1, 18818371), (11, 1710761), (13, 1447567), (17, 1106963), (143, 131597), (187, 100633), (221, 85151), (2431, 7741)]