9788420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25759}}^1$

素因数の和:25787

約数の個数: 24

約数和(自身を含む): 21638400

約数和(自身を除く): 11849980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25759, 51518, 103036, 128795, 257590, 489421, 515180, 978842, 1957684, 2447105, 4894210, 9788420]

約数ペア:

[(1, 9788420), (2, 4894210), (4, 2447105), (5, 1957684), (10, 978842), (19, 515180), (20, 489421), (38, 257590), (76, 128795), (95, 103036), (190, 51518), (380, 25759)]