19423340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23687}}^1$

素因数の和:23737

約数の個数: 24

約数和(自身を含む): 41785632

約数和(自身を除く): 22362292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23687, 47374, 94748, 118435, 236870, 473740, 971167, 1942334, 3884668, 4855835, 9711670, 19423340]

約数ペア:

[(1, 19423340), (2, 9711670), (4, 4855835), (5, 3884668), (10, 1942334), (20, 971167), (41, 473740), (82, 236870), (164, 118435), (205, 94748), (410, 47374), (820, 23687)]