18861740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12919}}^1$

素因数の和:13001

約数の個数: 24

約数和(自身を含む): 40155360

約数和(自身を除く): 21293620

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12919, 25838, 51676, 64595, 129190, 258380, 943087, 1886174, 3772348, 4715435, 9430870, 18861740]

約数ペア:

[(1, 18861740), (2, 9430870), (4, 4715435), (5, 3772348), (10, 1886174), (20, 943087), (73, 258380), (146, 129190), (292, 64595), (365, 51676), (730, 25838), (1460, 12919)]