18763340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19961}}^1$

素因数の和:20017

約数の個数: 24

約数和(自身を含む): 40243392

約数和(自身を除く): 21480052

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19961, 39922, 79844, 99805, 199610, 399220, 938167, 1876334, 3752668, 4690835, 9381670, 18763340]

約数ペア:

[(1, 18763340), (2, 9381670), (4, 4690835), (5, 3752668), (10, 1876334), (20, 938167), (47, 399220), (94, 199610), (188, 99805), (235, 79844), (470, 39922), (940, 19961)]