19740285

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 34327800

約数和(自身を除く): 14587515

約数列:

[1, 3, 5, 9, 15, 45, 449, 977, 1347, 2245, 2931, 4041, 4885, 6735, 8793, 14655, 20205, 43965, 438673, 1316019, 2193365, 3948057, 6580095, 19740285]

約数ペア:

[(1, 19740285), (3, 6580095), (5, 3948057), (9, 2193365), (15, 1316019), (45, 438673), (449, 43965), (977, 20205), (1347, 14655), (2245, 8793), (2931, 6735), (4041, 4885)]