19892890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117017}}^1$

素因数の和:117041

約数の個数: 16

約数和(自身を含む): 37913832

約数和(自身を除く): 18020942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 117017, 234034, 585085, 1170170, 1989289, 3978578, 9946445, 19892890]

約数ペア:

[(1, 19892890), (2, 9946445), (5, 3978578), (10, 1989289), (17, 1170170), (34, 585085), (85, 234034), (170, 117017)]