19304900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2804

約数の個数: 36

約数和(自身を含む): 42497280

約数和(自身を除く): 23192380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2719, 3550, 5438, 7100, 10876, 13595, 27190, 54380, 67975, 135950, 193049, 271900, 386098, 772196, 965245, 1930490, 3860980, 4826225, 9652450, 19304900]

約数ペア:

[(1, 19304900), (2, 9652450), (4, 4826225), (5, 3860980), (10, 1930490), (20, 965245), (25, 772196), (50, 386098), (71, 271900), (100, 193049), (142, 135950), (284, 67975), (355, 54380), (710, 27190), (1420, 13595), (1775, 10876), (2719, 7100), (3550, 5438)]