19212330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640411}}^1$

素因数の和:640421

約数の個数: 16

約数和(自身を含む): 46109664

約数和(自身を除く): 26897334

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640411, 1280822, 1921233, 3202055, 3842466, 6404110, 9606165, 19212330]

約数ペア:

[(1, 19212330), (2, 9606165), (3, 6404110), (5, 3842466), (6, 3202055), (10, 1921233), (15, 1280822), (30, 640411)]