19251060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320851}}^1$

素因数の和:320863

約数の個数: 24

約数和(自身を含む): 53903136

約数和(自身を除く): 34652076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320851, 641702, 962553, 1283404, 1604255, 1925106, 3208510, 3850212, 4812765, 6417020, 9625530, 19251060]

約数ペア:

[(1, 19251060), (2, 9625530), (3, 6417020), (4, 4812765), (5, 3850212), (6, 3208510), (10, 1925106), (12, 1604255), (15, 1283404), (20, 962553), (30, 641702), (60, 320851)]