18686421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2707}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 29571360

約数和(自身を除く): 10884939

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 2707, 6903, 8121, 24363, 35191, 105573, 159713, 316719, 479139, 1437417, 2076269, 6228807, 18686421]

約数ペア:

[(1, 18686421), (3, 6228807), (9, 2076269), (13, 1437417), (39, 479139), (59, 316719), (117, 159713), (177, 105573), (531, 35191), (767, 24363), (2301, 8121), (2707, 6903)]