19484900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1004

約数の個数: 36

約数和(自身を含む): 42497280

約数和(自身を除く): 23012380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 719, 1084, 1355, 1438, 2710, 2876, 3595, 5420, 6775, 7190, 13550, 14380, 17975, 27100, 35950, 71900, 194849, 389698, 779396, 974245, 1948490, 3896980, 4871225, 9742450, 19484900]

約数ペア:

[(1, 19484900), (2, 9742450), (4, 4871225), (5, 3896980), (10, 1948490), (20, 974245), (25, 779396), (50, 389698), (100, 194849), (271, 71900), (542, 35950), (719, 27100), (1084, 17975), (1355, 14380), (1438, 13550), (2710, 7190), (2876, 6775), (3595, 5420)]