19130780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56267}}^1$

素因数の和:56293

約数の個数: 24

約数和(自身を含む): 42538608

約数和(自身を除く): 23407828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56267, 112534, 225068, 281335, 562670, 956539, 1125340, 1913078, 3826156, 4782695, 9565390, 19130780]

約数ペア:

[(1, 19130780), (2, 9565390), (4, 4782695), (5, 3826156), (10, 1913078), (17, 1125340), (20, 956539), (34, 562670), (68, 281335), (85, 225068), (170, 112534), (340, 56267)]