17232620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 38556000

約数和(自身を除く): 21323380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 449, 505, 898, 1010, 1796, 1919, 2020, 2245, 3838, 4490, 7676, 8531, 8980, 9595, 17062, 19190, 34124, 38380, 42655, 45349, 85310, 90698, 170620, 181396, 226745, 453490, 861631, 906980, 1723262, 3446524, 4308155, 8616310, 17232620]

約数ペア:

[(1, 17232620), (2, 8616310), (4, 4308155), (5, 3446524), (10, 1723262), (19, 906980), (20, 861631), (38, 453490), (76, 226745), (95, 181396), (101, 170620), (190, 90698), (202, 85310), (380, 45349), (404, 42655), (449, 38380), (505, 34124), (898, 19190), (1010, 17062), (1796, 9595), (1919, 8980), (2020, 8531), (2245, 7676), (3838, 4490)]