18682671

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1741}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 29391024

約数和(自身を除く): 10708353

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1741, 3577, 5223, 10731, 12187, 36561, 85309, 127093, 255927, 381279, 889651, 2668953, 6227557, 18682671]

約数ペア:

[(1, 18682671), (3, 6227557), (7, 2668953), (21, 889651), (49, 381279), (73, 255927), (147, 127093), (219, 85309), (511, 36561), (1533, 12187), (1741, 10731), (3577, 5223)]