199912984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{5503}}^1$

素因数の和:5767

約数の個数: 32

約数和(自身を含む): 396288000

約数和(自身を除く): 196375016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 4541, 5503, 9082, 11006, 18164, 22012, 36328, 44024, 104557, 209114, 418228, 836456, 1315217, 2630434, 5260868, 10521736, 24989123, 49978246, 99956492, 199912984]

約数ペア:

[(1, 199912984), (2, 99956492), (4, 49978246), (8, 24989123), (19, 10521736), (38, 5260868), (76, 2630434), (152, 1315217), (239, 836456), (478, 418228), (956, 209114), (1912, 104557), (4541, 44024), (5503, 36328), (9082, 22012), (11006, 18164)]