19228890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640963}}^1$

素因数の和:640973

約数の個数: 16

約数和(自身を含む): 46149408

約数和(自身を除く): 26920518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640963, 1281926, 1922889, 3204815, 3845778, 6409630, 9614445, 19228890]

約数ペア:

[(1, 19228890), (2, 9614445), (3, 6409630), (5, 3845778), (6, 3204815), (10, 1922889), (15, 1281926), (30, 640963)]