18642470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 25483738

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 71, 77, 110, 121, 142, 154, 155, 217, 242, 310, 341, 355, 385, 434, 497, 605, 682, 710, 770, 781, 847, 994, 1085, 1210, 1562, 1694, 1705, 2170, 2201, 2387, 2485, 3410, 3751, 3905, 4235, 4402, 4774, 4970, 5467, 7502, 7810, 8470, 8591, 10934, 11005, 11935, 15407, 17182, 18755, 22010, 23870, 24211, 26257, 27335, 30814, 37510, 42955, 48422, 52514, 54670, 60137, 77035, 85910, 120274, 121055, 131285, 154070, 169477, 242110, 262570, 266321, 300685, 338954, 532642, 601370, 847385, 1331605, 1694770, 1864247, 2663210, 3728494, 9321235, 18642470]

約数ペア:

[(1, 18642470), (2, 9321235), (5, 3728494), (7, 2663210), (10, 1864247), (11, 1694770), (14, 1331605), (22, 847385), (31, 601370), (35, 532642), (55, 338954), (62, 300685), (70, 266321), (71, 262570), (77, 242110), (110, 169477), (121, 154070), (142, 131285), (154, 121055), (155, 120274), (217, 85910), (242, 77035), (310, 60137), (341, 54670), (355, 52514), (385, 48422), (434, 42955), (497, 37510), (605, 30814), (682, 27335), (710, 26257), (770, 24211), (781, 23870), (847, 22010), (994, 18755), (1085, 17182), (1210, 15407), (1562, 11935), (1694, 11005), (1705, 10934), (2170, 8591), (2201, 8470), (2387, 7810), (2485, 7502), (3410, 5467), (3751, 4970), (3905, 4774), (4235, 4402)]