18326960

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2141}}^1$

素因数の和:2261

約数の個数: 40

約数和(自身を含む): 43028496

約数和(自身を除く): 24701536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2141, 4280, 4282, 8560, 8564, 10705, 17128, 21410, 34256, 42820, 85640, 171280, 229087, 458174, 916348, 1145435, 1832696, 2290870, 3665392, 4581740, 9163480, 18326960]

約数ペア:

[(1, 18326960), (2, 9163480), (4, 4581740), (5, 3665392), (8, 2290870), (10, 1832696), (16, 1145435), (20, 916348), (40, 458174), (80, 229087), (107, 171280), (214, 85640), (428, 42820), (535, 34256), (856, 21410), (1070, 17128), (1712, 10705), (2140, 8564), (2141, 8560), (4280, 4282)]