19588720

素因数分解:

$2^4\times 5^1\times {\mathrm{244859}}^1$

素因数の和:244872

約数の個数: 20

約数和(自身を含む): 45543960

約数和(自身を除く): 25955240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244859, 489718, 979436, 1224295, 1958872, 2448590, 3917744, 4897180, 9794360, 19588720]

約数ペア:

[(1, 19588720), (2, 9794360), (4, 4897180), (5, 3917744), (8, 2448590), (10, 1958872), (16, 1224295), (20, 979436), (40, 489718), (80, 244859)]