20181281716

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{1409}}^1\times {\mathrm{13933}}^1$

素因数の和:15603

約数の個数: 24

約数和(自身を含む): 35482373640

約数和(自身を除く): 15301091924

約数列:

[1, 2, 4, 257, 514, 1028, 1409, 2818, 5636, 13933, 27866, 55732, 362113, 724226, 1448452, 3580781, 7161562, 14323124, 19631597, 39263194, 78526388, 5045320429, 10090640858, 20181281716]

約数ペア:

[(1, 20181281716), (2, 10090640858), (4, 5045320429), (257, 78526388), (514, 39263194), (1028, 19631597), (1409, 14323124), (2818, 7161562), (5636, 3580781), (13933, 1448452), (27866, 724226), (55732, 362113)]