18779860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85363}}^1$

素因数の和:85383

約数の個数: 24

約数和(自身を含む): 43023456

約数和(自身を除く): 24243596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85363, 170726, 341452, 426815, 853630, 938993, 1707260, 1877986, 3755972, 4694965, 9389930, 18779860]

約数ペア:

[(1, 18779860), (2, 9389930), (4, 4694965), (5, 3755972), (10, 1877986), (11, 1707260), (20, 938993), (22, 853630), (44, 426815), (55, 341452), (110, 170726), (220, 85363)]