18939844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61493}}^1$

素因数の和:61515

約数の個数: 24

約数和(自身を含む): 41323968

約数和(自身を除く): 22384124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61493, 122986, 245972, 430451, 676423, 860902, 1352846, 1721804, 2705692, 4734961, 9469922, 18939844]

約数ペア:

[(1, 18939844), (2, 9469922), (4, 4734961), (7, 2705692), (11, 1721804), (14, 1352846), (22, 860902), (28, 676423), (44, 430451), (77, 245972), (154, 122986), (308, 61493)]