19301282

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 20954206

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 311, 341, 403, 434, 622, 682, 806, 1001, 2002, 2177, 2387, 2821, 3421, 4043, 4354, 4433, 4774, 5642, 6842, 8086, 8866, 9641, 19282, 23947, 28301, 31031, 44473, 47894, 56602, 62062, 67487, 88946, 106051, 125333, 134974, 212102, 250666, 311311, 622622, 742357, 877331, 1378663, 1484714, 1754662, 2757326, 9650641, 19301282]

約数ペア:

[(1, 19301282), (2, 9650641), (7, 2757326), (11, 1754662), (13, 1484714), (14, 1378663), (22, 877331), (26, 742357), (31, 622622), (62, 311311), (77, 250666), (91, 212102), (143, 134974), (154, 125333), (182, 106051), (217, 88946), (286, 67487), (311, 62062), (341, 56602), (403, 47894), (434, 44473), (622, 31031), (682, 28301), (806, 23947), (1001, 19282), (2002, 9641), (2177, 8866), (2387, 8086), (2821, 6842), (3421, 5642), (4043, 4774), (4354, 4433)]