18840430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9281}}^1$

素因数の和:9324

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 21257810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9281, 18562, 46405, 64967, 92810, 129934, 269149, 324835, 538298, 649670, 1345745, 1884043, 2691490, 3768086, 9420215, 18840430]

約数ペア:

[(1, 18840430), (2, 9420215), (5, 3768086), (7, 2691490), (10, 1884043), (14, 1345745), (29, 649670), (35, 538298), (58, 324835), (70, 269149), (145, 129934), (203, 92810), (290, 64967), (406, 46405), (1015, 18562), (2030, 9281)]