9015490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 9128510

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 1999, 2255, 3998, 4510, 9995, 19990, 21989, 43978, 81959, 109945, 163918, 219890, 409795, 819590, 901549, 1803098, 4507745, 9015490]

約数ペア:

[(1, 9015490), (2, 4507745), (5, 1803098), (10, 901549), (11, 819590), (22, 409795), (41, 219890), (55, 163918), (82, 109945), (110, 81959), (205, 43978), (410, 21989), (451, 19990), (902, 9995), (1999, 4510), (2255, 3998)]