18468415

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 7889345

約数列:

[1, 5, 7, 35, 47, 103, 109, 235, 329, 515, 545, 721, 763, 1645, 3605, 3815, 4841, 5123, 11227, 24205, 25615, 33887, 35861, 56135, 78589, 169435, 179305, 392945, 527669, 2638345, 3693683, 18468415]

約数ペア:

[(1, 18468415), (5, 3693683), (7, 2638345), (35, 527669), (47, 392945), (103, 179305), (109, 169435), (235, 78589), (329, 56135), (515, 35861), (545, 33887), (721, 25615), (763, 24205), (1645, 11227), (3605, 5123), (3815, 4841)]