19904247

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 11769993

約数列:

[1, 3, 9, 11, 33, 99, 107, 321, 963, 1177, 1879, 3531, 5637, 10593, 16911, 20669, 62007, 186021, 201053, 603159, 1809477, 2211583, 6634749, 19904247]

約数ペア:

[(1, 19904247), (3, 6634749), (9, 2211583), (11, 1809477), (33, 603159), (99, 201053), (107, 186021), (321, 62007), (963, 20669), (1177, 16911), (1879, 10593), (3531, 5637)]