19468840

素因数分解:

$2^3\times 5^1\times {\mathrm{486721}}^1$

素因数の和:486732

約数の個数: 16

約数和(自身を含む): 43804980

約数和(自身を除く): 24336140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486721, 973442, 1946884, 2433605, 3893768, 4867210, 9734420, 19468840]

約数ペア:

[(1, 19468840), (2, 9734420), (4, 4867210), (5, 3893768), (8, 2433605), (10, 1946884), (20, 973442), (40, 486721)]