19385847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2473}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 30618224

約数和(自身を除く): 11232377

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2473, 2613, 7419, 7839, 22257, 32149, 96447, 165691, 289341, 497073, 1491219, 2153983, 6461949, 19385847]

約数ペア:

[(1, 19385847), (3, 6461949), (9, 2153983), (13, 1491219), (39, 497073), (67, 289341), (117, 165691), (201, 96447), (603, 32149), (871, 22257), (2473, 7839), (2613, 7419)]