1815140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 3894912

約数和(自身を除く): 2079772

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1931, 3862, 7724, 9655, 19310, 38620, 90757, 181514, 363028, 453785, 907570, 1815140]

約数ペア:

[(1, 1815140), (2, 907570), (4, 453785), (5, 363028), (10, 181514), (20, 90757), (47, 38620), (94, 19310), (188, 9655), (235, 7724), (470, 3862), (940, 1931)]