19619110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40039}}^1$

素因数の和:40060

約数の個数: 24

約数和(自身を含む): 41081040

約数和(自身を除く): 21461930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40039, 80078, 200195, 280273, 400390, 560546, 1401365, 1961911, 2802730, 3923822, 9809555, 19619110]

約数ペア:

[(1, 19619110), (2, 9809555), (5, 3923822), (7, 2802730), (10, 1961911), (14, 1401365), (35, 560546), (49, 400390), (70, 280273), (98, 200195), (245, 80078), (490, 40039)]