19909980247

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{883}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 21446830080

約数和(自身を除く): 1536849833

約数列:

[1, 29, 47, 71, 233, 883, 1363, 2059, 3337, 6757, 10951, 16543, 25607, 41501, 62693, 96773, 205739, 317579, 479747, 777521, 1203529, 1818097, 2946571, 5966431, 9669733, 14607469, 22548109, 85450559, 280422257, 423616601, 686551043, 19909980247]

約数ペア:

[(1, 19909980247), (29, 686551043), (47, 423616601), (71, 280422257), (233, 85450559), (883, 22548109), (1363, 14607469), (2059, 9669733), (3337, 5966431), (6757, 2946571), (10951, 1818097), (16543, 1203529), (25607, 777521), (41501, 479747), (62693, 317579), (96773, 205739)]