18682690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 17832110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1049, 1370, 1781, 2098, 3562, 5245, 8905, 10490, 13637, 17810, 27274, 68185, 136370, 143713, 287426, 718565, 1437130, 1868269, 3736538, 9341345, 18682690]

約数ペア:

[(1, 18682690), (2, 9341345), (5, 3736538), (10, 1868269), (13, 1437130), (26, 718565), (65, 287426), (130, 143713), (137, 136370), (274, 68185), (685, 27274), (1049, 17810), (1370, 13637), (1781, 10490), (2098, 8905), (3562, 5245)]