19276789

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 3366923

約数列:

[1, 7, 53, 223, 233, 371, 1561, 1631, 11819, 12349, 51959, 82733, 86443, 363713, 2753827, 19276789]

約数ペア:

[(1, 19276789), (7, 2753827), (53, 363713), (223, 86443), (233, 82733), (371, 51959), (1561, 12349), (1631, 11819)]