18639110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38039}}^1$

素因数の和:38060

約数の個数: 24

約数和(自身を含む): 39029040

約数和(自身を除く): 20389930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38039, 76078, 190195, 266273, 380390, 532546, 1331365, 1863911, 2662730, 3727822, 9319555, 18639110]

約数ペア:

[(1, 18639110), (2, 9319555), (5, 3727822), (7, 2662730), (10, 1863911), (14, 1331365), (35, 532546), (49, 380390), (70, 266273), (98, 190195), (245, 76078), (490, 38039)]