18250986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 40582080

約数和(自身を除く): 22331094

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 439, 507, 533, 878, 1014, 1066, 1317, 1599, 2634, 3198, 5707, 6929, 11414, 13858, 17121, 17999, 20787, 34242, 35998, 41574, 53997, 74191, 107994, 148382, 222573, 233987, 445146, 467974, 701961, 1403922, 3041831, 6083662, 9125493, 18250986]

約数ペア:

[(1, 18250986), (2, 9125493), (3, 6083662), (6, 3041831), (13, 1403922), (26, 701961), (39, 467974), (41, 445146), (78, 233987), (82, 222573), (123, 148382), (169, 107994), (246, 74191), (338, 53997), (439, 41574), (507, 35998), (533, 34242), (878, 20787), (1014, 17999), (1066, 17121), (1317, 13858), (1599, 11414), (2634, 6929), (3198, 5707)]