19246780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137477}}^1$

素因数の和:137493

約数の個数: 24

約数和(自身を含む): 46192608

約数和(自身を除く): 26945828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137477, 274954, 549908, 687385, 962339, 1374770, 1924678, 2749540, 3849356, 4811695, 9623390, 19246780]

約数ペア:

[(1, 19246780), (2, 9623390), (4, 4811695), (5, 3849356), (7, 2749540), (10, 1924678), (14, 1374770), (20, 962339), (28, 687385), (35, 549908), (70, 274954), (140, 137477)]