18690345

素因数分解:

$3^5\times 5^1\times {\mathrm{15383}}^1$

素因数の和:15403

約数の個数: 24

約数和(自身を含む): 33598656

約数和(自身を除く): 14908311

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 15383, 46149, 76915, 138447, 230745, 415341, 692235, 1246023, 2076705, 3738069, 6230115, 18690345]

約数ペア:

[(1, 18690345), (3, 6230115), (5, 3738069), (9, 2076705), (15, 1246023), (27, 692235), (45, 415341), (81, 230745), (135, 138447), (243, 76915), (405, 46149), (1215, 15383)]