19212890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113017}}^1$

素因数の和:113041

約数の個数: 16

約数和(自身を含む): 36617832

約数和(自身を除く): 17404942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 113017, 226034, 565085, 1130170, 1921289, 3842578, 9606445, 19212890]

約数ペア:

[(1, 19212890), (2, 9606445), (5, 3842578), (10, 1921289), (17, 1130170), (34, 565085), (85, 226034), (170, 113017)]