19181481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{14177}}^1$

素因数の和:14232

約数の個数: 16

約数和(自身を含む): 28582848

約数和(自身を除く): 9401367

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 14177, 42531, 155947, 467841, 581257, 1743771, 6393827, 19181481]

約数ペア:

[(1, 19181481), (3, 6393827), (11, 1743771), (33, 581257), (41, 467841), (123, 155947), (451, 42531), (1353, 14177)]