18242874

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 43920000

約数和(自身を除く): 25677126

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 1999, 3042, 3998, 4563, 5997, 9126, 11994, 17991, 25987, 35982, 51974, 53973, 77961, 107946, 155922, 233883, 337831, 467766, 675662, 701649, 1013493, 1403298, 2026986, 3040479, 6080958, 9121437, 18242874]

約数ペア:

[(1, 18242874), (2, 9121437), (3, 6080958), (6, 3040479), (9, 2026986), (13, 1403298), (18, 1013493), (26, 701649), (27, 675662), (39, 467766), (54, 337831), (78, 233883), (117, 155922), (169, 107946), (234, 77961), (338, 53973), (351, 51974), (507, 35982), (702, 25987), (1014, 17991), (1521, 11994), (1999, 9126), (3042, 5997), (3998, 4563)]