19369640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10303}}^1$

素因数の和:10361

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 25143640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10303, 20606, 41212, 51515, 82424, 103030, 206060, 412120, 484241, 968482, 1936964, 2421205, 3873928, 4842410, 9684820, 19369640]

約数ペア:

[(1, 19369640), (2, 9684820), (4, 4842410), (5, 3873928), (8, 2421205), (10, 1936964), (20, 968482), (40, 484241), (47, 412120), (94, 206060), (188, 103030), (235, 82424), (376, 51515), (470, 41212), (940, 20606), (1880, 10303)]