19605981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12401}}^1$

素因数の和:12452

約数の個数: 16

約数和(自身を含む): 28574208

約数和(自身を除く): 8968227

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12401, 37203, 210817, 384431, 632451, 1153293, 6535327, 19605981]

約数ペア:

[(1, 19605981), (3, 6535327), (17, 1153293), (31, 632451), (51, 384431), (93, 210817), (527, 37203), (1581, 12401)]