18008473

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 21233664

約数和(自身を除く): 3225191

約数列:

[1, 7, 47, 127, 329, 431, 889, 3017, 5969, 20257, 41783, 54737, 141799, 383159, 2572639, 18008473]

約数ペア:

[(1, 18008473), (7, 2572639), (47, 383159), (127, 141799), (329, 54737), (431, 41783), (889, 20257), (3017, 5969)]