19958904498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8887}}^1\times {\mathrm{28793}}^1$

素因数の和:37698

約数の個数: 32

約数和(自身を含む): 42994740096

約数和(自身を除く): 23035835598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8887, 17774, 26661, 28793, 53322, 57586, 86379, 115531, 172758, 231062, 346593, 374309, 693186, 748618, 1122927, 2245854, 255883391, 511766782, 767650173, 1535300346, 3326484083, 6652968166, 9979452249, 19958904498]

約数ペア:

[(1, 19958904498), (2, 9979452249), (3, 6652968166), (6, 3326484083), (13, 1535300346), (26, 767650173), (39, 511766782), (78, 255883391), (8887, 2245854), (17774, 1122927), (26661, 748618), (28793, 693186), (53322, 374309), (57586, 346593), (86379, 231062), (115531, 172758)]