18794313

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 28000128

約数和(自身を除く): 9205815

約数列:

[1, 3, 9, 47, 141, 157, 283, 423, 471, 849, 1413, 2547, 7379, 13301, 22137, 39903, 44431, 66411, 119709, 133293, 399879, 2088257, 6264771, 18794313]

約数ペア:

[(1, 18794313), (3, 6264771), (9, 2088257), (47, 399879), (141, 133293), (157, 119709), (283, 66411), (423, 44431), (471, 39903), (849, 22137), (1413, 13301), (2547, 7379)]