19948617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3217}}^1$

素因数の和:3289

約数の個数: 24

約数和(自身を含む): 31626504

約数和(自身を除く): 11677887

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3217, 6201, 9651, 28953, 41821, 125463, 170501, 376389, 511503, 1534509, 2216513, 6649539, 19948617]

約数ペア:

[(1, 19948617), (3, 6649539), (9, 2216513), (13, 1534509), (39, 511503), (53, 376389), (117, 170501), (159, 125463), (477, 41821), (689, 28953), (2067, 9651), (3217, 6201)]