18884978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 15177358

約数列:

[1, 2, 7, 14, 23, 46, 161, 223, 263, 322, 446, 526, 1561, 1841, 3122, 3682, 5129, 6049, 10258, 12098, 35903, 42343, 58649, 71806, 84686, 117298, 410543, 821086, 1348927, 2697854, 9442489, 18884978]

約数ペア:

[(1, 18884978), (2, 9442489), (7, 2697854), (14, 1348927), (23, 821086), (46, 410543), (161, 117298), (223, 84686), (263, 71806), (322, 58649), (446, 42343), (526, 35903), (1561, 12098), (1841, 10258), (3122, 6049), (3682, 5129)]