18270320

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1667}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 42814224

約数和(自身を除く): 24543904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1667, 2192, 2740, 3334, 5480, 6668, 8335, 10960, 13336, 16670, 26672, 33340, 66680, 133360, 228379, 456758, 913516, 1141895, 1827032, 2283790, 3654064, 4567580, 9135160, 18270320]

約数ペア:

[(1, 18270320), (2, 9135160), (4, 4567580), (5, 3654064), (8, 2283790), (10, 1827032), (16, 1141895), (20, 913516), (40, 456758), (80, 228379), (137, 133360), (274, 66680), (548, 33340), (685, 26672), (1096, 16670), (1370, 13336), (1667, 10960), (2192, 8335), (2740, 6668), (3334, 5480)]