18770343

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 6942297

約数列:

[1, 3, 47, 141, 239, 557, 717, 1671, 11233, 26179, 33699, 78537, 133123, 399369, 6256781, 18770343]

約数ペア:

[(1, 18770343), (3, 6256781), (47, 399369), (141, 133123), (239, 78537), (557, 33699), (717, 26179), (1671, 11233)]