19707255

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8263}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 34807968

約数和(自身を除く): 15100713

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8263, 24789, 41315, 74367, 123945, 371835, 437939, 1313817, 2189695, 3941451, 6569085, 19707255]

約数ペア:

[(1, 19707255), (3, 6569085), (5, 3941451), (9, 2189695), (15, 1313817), (45, 437939), (53, 371835), (159, 123945), (265, 74367), (477, 41315), (795, 24789), (2385, 8263)]