19842866

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1289}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 30650400

約数和(自身を除く): 10807534

約数列:

[1, 2, 43, 86, 179, 358, 1289, 2578, 7697, 15394, 55427, 110854, 230731, 461462, 9921433, 19842866]

約数ペア:

[(1, 19842866), (2, 9921433), (43, 461462), (86, 230731), (179, 110854), (358, 55427), (1289, 15394), (2578, 7697)]