19796391

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 29422224

約数和(自身を除く): 9625833

約数列:

[1, 3, 9, 61, 107, 183, 321, 337, 549, 963, 1011, 3033, 6527, 19581, 20557, 36059, 58743, 61671, 108177, 185013, 324531, 2199599, 6598797, 19796391]

約数ペア:

[(1, 19796391), (3, 6598797), (9, 2199599), (61, 324531), (107, 185013), (183, 108177), (321, 61671), (337, 58743), (549, 36059), (963, 20557), (1011, 19581), (3033, 6527)]