18019860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{300331}}^1$

素因数の和:300343

約数の個数: 24

約数和(自身を含む): 50455776

約数和(自身を除く): 32435916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 300331, 600662, 900993, 1201324, 1501655, 1801986, 3003310, 3603972, 4504965, 6006620, 9009930, 18019860]

約数ペア:

[(1, 18019860), (2, 9009930), (3, 6006620), (4, 4504965), (5, 3603972), (6, 3003310), (10, 1801986), (12, 1501655), (15, 1201324), (20, 900993), (30, 600662), (60, 300331)]