19201290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640043}}^1$

素因数の和:640053

約数の個数: 16

約数和(自身を含む): 46083168

約数和(自身を除く): 26881878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640043, 1280086, 1920129, 3200215, 3840258, 6400430, 9600645, 19201290]

約数ペア:

[(1, 19201290), (2, 9600645), (3, 6400430), (5, 3840258), (6, 3200215), (10, 1920129), (15, 1280086), (30, 640043)]