20218191851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8316821}}^1$

素因数の和:8316862

約数の個数: 16

約数和(自身を含む): 25150069728

約数和(自身を除く): 4931877877

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8316821, 91485031, 108118673, 141385957, 1189305403, 1555245527, 1838017441, 20218191851]

約数ペア:

[(1, 20218191851), (11, 1838017441), (13, 1555245527), (17, 1189305403), (143, 141385957), (187, 108118673), (221, 91485031), (2431, 8316821)]