20181272943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7723411}}^1$

素因数の和:7723494

約数の個数: 16

約数和(自身を含む): 29410752896

約数和(自身を除く): 9229479953

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7723411, 23170233, 100404343, 301213029, 517468537, 1552405611, 6727090981, 20181272943]

約数ペア:

[(1, 20181272943), (3, 6727090981), (13, 1552405611), (39, 517468537), (67, 301213029), (201, 100404343), (871, 23170233), (2613, 7723411)]