19511112820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20756503}}^1$

素因数の和:20756559

約数の個数: 24

約数和(自身を含む): 41845112064

約数和(自身を除く): 22333999244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20756503, 41513006, 83026012, 103782515, 207565030, 415130060, 975555641, 1951111282, 3902222564, 4877778205, 9755556410, 19511112820]

約数ペア:

[(1, 19511112820), (2, 9755556410), (4, 4877778205), (5, 3902222564), (10, 1951111282), (20, 975555641), (47, 415130060), (94, 207565030), (188, 103782515), (235, 83026012), (470, 41513006), (940, 20756503)]