19271900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1214

約数の個数: 36

約数和(自身を含む): 42080640

約数和(自身を除く): 22808740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1009, 1910, 2018, 3820, 4036, 4775, 5045, 9550, 10090, 19100, 20180, 25225, 50450, 100900, 192719, 385438, 770876, 963595, 1927190, 3854380, 4817975, 9635950, 19271900]

約数ペア:

[(1, 19271900), (2, 9635950), (4, 4817975), (5, 3854380), (10, 1927190), (20, 963595), (25, 770876), (50, 385438), (100, 192719), (191, 100900), (382, 50450), (764, 25225), (955, 20180), (1009, 19100), (1910, 10090), (2018, 9550), (3820, 5045), (4036, 4775)]