19937061495

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{25301}}^1$

素因数の和:25777

約数の個数: 64

約数和(自身を含む): 38256624000

約数和(自身を除く): 18319562505

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 449, 585, 1347, 1755, 2245, 4041, 5837, 6735, 12123, 17511, 20205, 25301, 29185, 52533, 60615, 75903, 87555, 126505, 157599, 227709, 262665, 328913, 379515, 683127, 787995, 986739, 1138545, 1644565, 2960217, 3415635, 4933695, 8880651, 11360149, 14801085, 34080447, 44403255, 56800745, 102241341, 147681937, 170402235, 306724023, 443045811, 511206705, 738409685, 1329137433, 1533620115, 2215229055, 3987412299, 6645687165, 19937061495]

約数ペア:

[(1, 19937061495), (3, 6645687165), (5, 3987412299), (9, 2215229055), (13, 1533620115), (15, 1329137433), (27, 738409685), (39, 511206705), (45, 443045811), (65, 306724023), (117, 170402235), (135, 147681937), (195, 102241341), (351, 56800745), (449, 44403255), (585, 34080447), (1347, 14801085), (1755, 11360149), (2245, 8880651), (4041, 4933695), (5837, 3415635), (6735, 2960217), (12123, 1644565), (17511, 1138545), (20205, 986739), (25301, 787995), (29185, 683127), (52533, 379515), (60615, 328913), (75903, 262665), (87555, 227709), (126505, 157599)]