27921260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73477}}^1$

素因数の和:73505

約数の個数: 24

約数和(自身を含む): 61721520

約数和(自身を除く): 33800260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73477, 146954, 293908, 367385, 734770, 1396063, 1469540, 2792126, 5584252, 6980315, 13960630, 27921260]

約数ペア:

[(1, 27921260), (2, 13960630), (4, 6980315), (5, 5584252), (10, 2792126), (19, 1469540), (20, 1396063), (38, 734770), (76, 367385), (95, 293908), (190, 146954), (380, 73477)]