19258540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 27319124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 911, 1057, 1510, 1822, 2114, 3020, 3644, 4228, 4555, 5285, 6377, 9110, 10570, 12754, 18220, 21140, 25508, 31885, 63770, 127540, 137561, 275122, 550244, 687805, 962927, 1375610, 1925854, 2751220, 3851708, 4814635, 9629270, 19258540]

約数ペア:

[(1, 19258540), (2, 9629270), (4, 4814635), (5, 3851708), (7, 2751220), (10, 1925854), (14, 1375610), (20, 962927), (28, 687805), (35, 550244), (70, 275122), (140, 137561), (151, 127540), (302, 63770), (604, 31885), (755, 25508), (911, 21140), (1057, 18220), (1510, 12754), (1822, 10570), (2114, 9110), (3020, 6377), (3644, 5285), (4228, 4555)]