20180908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1361}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 38669904

約数和(自身を除く): 18488996

約数列:

[1, 2, 4, 11, 22, 44, 337, 674, 1348, 1361, 2722, 3707, 5444, 7414, 14828, 14971, 29942, 59884, 458657, 917314, 1834628, 5045227, 10090454, 20180908]

約数ペア:

[(1, 20180908), (2, 10090454), (4, 5045227), (11, 1834628), (22, 917314), (44, 458657), (337, 59884), (674, 29942), (1348, 14971), (1361, 14828), (2722, 7414), (3707, 5444)]