2019922490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20173}}^1$

素因数の和:20247

約数の個数: 64

約数和(自身を含む): 4183280640

約数和(自身を除く): 2163358150

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 2635, 2945, 3230, 5270, 5890, 10013, 20026, 20173, 40346, 50065, 100130, 100865, 201730, 342941, 383287, 625363, 685882, 766574, 1250726, 1714705, 1916435, 3126815, 3429410, 3832870, 6253630, 6515879, 10631171, 11881897, 13031758, 21262342, 23763794, 32579395, 53155855, 59409485, 65158790, 106311710, 118818970, 201992249, 403984498, 1009961245, 2019922490]

約数ペア:

[(1, 2019922490), (2, 1009961245), (5, 403984498), (10, 201992249), (17, 118818970), (19, 106311710), (31, 65158790), (34, 59409485), (38, 53155855), (62, 32579395), (85, 23763794), (95, 21262342), (155, 13031758), (170, 11881897), (190, 10631171), (310, 6515879), (323, 6253630), (527, 3832870), (589, 3429410), (646, 3126815), (1054, 1916435), (1178, 1714705), (1615, 1250726), (2635, 766574), (2945, 685882), (3230, 625363), (5270, 383287), (5890, 342941), (10013, 201730), (20026, 100865), (20173, 100130), (40346, 50065)]