19401540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323359}}^1$

素因数の和:323371

約数の個数: 24

約数和(自身を含む): 54324480

約数和(自身を除く): 34922940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323359, 646718, 970077, 1293436, 1616795, 1940154, 3233590, 3880308, 4850385, 6467180, 9700770, 19401540]

約数ペア:

[(1, 19401540), (2, 9700770), (3, 6467180), (4, 4850385), (5, 3880308), (6, 3233590), (10, 1940154), (12, 1616795), (15, 1293436), (20, 970077), (30, 646718), (60, 323359)]