19976550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12107}}^1$

素因数の和:12133

約数の個数: 48

約数和(自身を含む): 54050112

約数和(自身を除く): 34073562

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12107, 24214, 36321, 60535, 72642, 121070, 133177, 181605, 266354, 302675, 363210, 399531, 605350, 665885, 799062, 908025, 1331770, 1816050, 1997655, 3329425, 3995310, 6658850, 9988275, 19976550]

約数ペア:

[(1, 19976550), (2, 9988275), (3, 6658850), (5, 3995310), (6, 3329425), (10, 1997655), (11, 1816050), (15, 1331770), (22, 908025), (25, 799062), (30, 665885), (33, 605350), (50, 399531), (55, 363210), (66, 302675), (75, 266354), (110, 181605), (150, 133177), (165, 121070), (275, 72642), (330, 60535), (550, 36321), (825, 24214), (1650, 12107)]