19045340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20261}}^1$

素因数の和:20317

約数の個数: 24

約数和(自身を含む): 40848192

約数和(自身を除く): 21802852

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20261, 40522, 81044, 101305, 202610, 405220, 952267, 1904534, 3809068, 4761335, 9522670, 19045340]

約数ペア:

[(1, 19045340), (2, 9522670), (4, 4761335), (5, 3809068), (10, 1904534), (20, 952267), (47, 405220), (94, 202610), (188, 101305), (235, 81044), (470, 40522), (940, 20261)]