18871336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1637}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 20047544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1637, 2882, 3274, 5764, 6548, 11528, 13096, 18007, 36014, 72028, 144056, 214447, 428894, 857788, 1715576, 2358917, 4717834, 9435668, 18871336]

約数ペア:

[(1, 18871336), (2, 9435668), (4, 4717834), (8, 2358917), (11, 1715576), (22, 857788), (44, 428894), (88, 214447), (131, 144056), (262, 72028), (524, 36014), (1048, 18007), (1441, 13096), (1637, 11528), (2882, 6548), (3274, 5764)]