20180199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7723}}^1$

素因数の和:7806

約数の個数: 16

約数和(自身を含む): 29412992

約数和(自身を除く): 9232793

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7723, 23169, 100399, 301197, 517441, 1552323, 6726733, 20180199]

約数ペア:

[(1, 20180199), (3, 6726733), (13, 1552323), (39, 517441), (67, 301197), (201, 100399), (871, 23169), (2613, 7723)]