18694730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 35848656

約数和(自身を除く): 17153926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 397, 554, 794, 1385, 1985, 2770, 3970, 4709, 6749, 9418, 13498, 23545, 33745, 47090, 67490, 109969, 219938, 549845, 1099690, 1869473, 3738946, 9347365, 18694730]

約数ペア:

[(1, 18694730), (2, 9347365), (5, 3738946), (10, 1869473), (17, 1099690), (34, 549845), (85, 219938), (170, 109969), (277, 67490), (397, 47090), (554, 33745), (794, 23545), (1385, 13498), (1985, 9418), (2770, 6749), (3970, 4709)]