18026874

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:736

約数の個数: 40

約数和(自身を含む): 40656000

約数和(自身を除く): 22629126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 499, 669, 998, 1338, 1497, 2007, 2994, 4014, 4491, 6021, 8982, 12042, 13473, 18063, 26946, 36126, 40419, 80838, 111277, 222554, 333831, 667662, 1001493, 2002986, 3004479, 6008958, 9013437, 18026874]

約数ペア:

[(1, 18026874), (2, 9013437), (3, 6008958), (6, 3004479), (9, 2002986), (18, 1001493), (27, 667662), (54, 333831), (81, 222554), (162, 111277), (223, 80838), (446, 40419), (499, 36126), (669, 26946), (998, 18063), (1338, 13473), (1497, 12042), (2007, 8982), (2994, 6021), (4014, 4491)]