19222210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39229}}^1$

素因数の和:39250

約数の個数: 24

約数和(自身を含む): 40249980

約数和(自身を除く): 21027770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39229, 78458, 196145, 274603, 392290, 549206, 1373015, 1922221, 2746030, 3844442, 9611105, 19222210]

約数ペア:

[(1, 19222210), (2, 9611105), (5, 3844442), (7, 2746030), (10, 1922221), (14, 1373015), (35, 549206), (49, 392290), (70, 274603), (98, 196145), (245, 78458), (490, 39229)]