19860885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40123}}^1$

素因数の和:40145

約数の個数: 24

約数和(自身を含む): 37556064

約数和(自身を除く): 17695179

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40123, 120369, 200615, 361107, 441353, 601845, 1324059, 1805535, 2206765, 3972177, 6620295, 19860885]

約数ペア:

[(1, 19860885), (3, 6620295), (5, 3972177), (9, 2206765), (11, 1805535), (15, 1324059), (33, 601845), (45, 441353), (55, 361107), (99, 200615), (165, 120369), (495, 40123)]