18979347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 9774573

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 437, 467, 589, 713, 1311, 1401, 1767, 2139, 8873, 10741, 13547, 14477, 26619, 32223, 40641, 43431, 204079, 275063, 332971, 612237, 825189, 998913, 6326449, 18979347]

約数ペア:

[(1, 18979347), (3, 6326449), (19, 998913), (23, 825189), (31, 612237), (57, 332971), (69, 275063), (93, 204079), (437, 43431), (467, 40641), (589, 32223), (713, 26619), (1311, 14477), (1401, 13547), (1767, 10741), (2139, 8873)]