18881340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2297}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 53276832

約数和(自身を除く): 34395492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2297, 2740, 4110, 4594, 6891, 8220, 9188, 11485, 13782, 22970, 27564, 34455, 45940, 68910, 137820, 314689, 629378, 944067, 1258756, 1573445, 1888134, 3146890, 3776268, 4720335, 6293780, 9440670, 18881340]

約数ペア:

[(1, 18881340), (2, 9440670), (3, 6293780), (4, 4720335), (5, 3776268), (6, 3146890), (10, 1888134), (12, 1573445), (15, 1258756), (20, 944067), (30, 629378), (60, 314689), (137, 137820), (274, 68910), (411, 45940), (548, 34455), (685, 27564), (822, 22970), (1370, 13782), (1644, 11485), (2055, 9188), (2297, 8220), (2740, 6891), (4110, 4594)]