17945780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30941}}^1$

素因数の和:30979

約数の個数: 24

約数和(自身を含む): 38986920

約数和(自身を除く): 21041140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 30941, 61882, 123764, 154705, 309410, 618820, 897289, 1794578, 3589156, 4486445, 8972890, 17945780]

約数ペア:

[(1, 17945780), (2, 8972890), (4, 4486445), (5, 3589156), (10, 1794578), (20, 897289), (29, 618820), (58, 309410), (116, 154705), (145, 123764), (290, 61882), (580, 30941)]