19247739

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 30117888

約数和(自身を除く): 10870149

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1031, 2667, 3093, 6223, 7217, 18669, 21651, 50519, 130937, 151557, 392811, 916559, 2749677, 6415913, 19247739]

約数ペア:

[(1, 19247739), (3, 6415913), (7, 2749677), (21, 916559), (49, 392811), (127, 151557), (147, 130937), (381, 50519), (889, 21651), (1031, 18669), (2667, 7217), (3093, 6223)]