2019295551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 3413975040

約数和(自身を除く): 1394679489

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 223, 273, 287, 533, 669, 809, 861, 1561, 1599, 2427, 2899, 3731, 4683, 5663, 8697, 9143, 10517, 11193, 16989, 20293, 27429, 31551, 33169, 60879, 64001, 73619, 99507, 118859, 180407, 192003, 220857, 232183, 356577, 431197, 541221, 696549, 832013, 1262849, 1293591, 2345291, 2496039, 3018379, 3788547, 7035873, 7396687, 9055137, 16417037, 22190061, 49251111, 51776809, 96156931, 155330427, 288470793, 673098517, 2019295551]

約数ペア:

[(1, 2019295551), (3, 673098517), (7, 288470793), (13, 155330427), (21, 96156931), (39, 51776809), (41, 49251111), (91, 22190061), (123, 16417037), (223, 9055137), (273, 7396687), (287, 7035873), (533, 3788547), (669, 3018379), (809, 2496039), (861, 2345291), (1561, 1293591), (1599, 1262849), (2427, 832013), (2899, 696549), (3731, 541221), (4683, 431197), (5663, 356577), (8697, 232183), (9143, 220857), (10517, 192003), (11193, 180407), (16989, 118859), (20293, 99507), (27429, 73619), (31551, 64001), (33169, 60879)]