19701998973

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{16573}}^1\times {\mathrm{5743}}^1$

素因数の和:22345

約数の個数: 24

約数和(自身を含む): 29702729472

約数和(自身を除く): 10000730499

約数列:

[1, 3, 9, 23, 69, 207, 5743, 16573, 17229, 49719, 51687, 132089, 149157, 381179, 396267, 1143537, 1188801, 3430611, 95178739, 285536217, 856608651, 2189110997, 6567332991, 19701998973]

約数ペア:

[(1, 19701998973), (3, 6567332991), (9, 2189110997), (23, 856608651), (69, 285536217), (207, 95178739), (5743, 3430611), (16573, 1188801), (17229, 1143537), (49719, 396267), (51687, 381179), (132089, 149157)]