18423945

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 32045832

約数和(自身を除く): 13621887

約数列:

[1, 3, 5, 9, 15, 45, 401, 1021, 1203, 2005, 3063, 3609, 5105, 6015, 9189, 15315, 18045, 45945, 409421, 1228263, 2047105, 3684789, 6141315, 18423945]

約数ペア:

[(1, 18423945), (3, 6141315), (5, 3684789), (9, 2047105), (15, 1228263), (45, 409421), (401, 45945), (1021, 18045), (1203, 15315), (2005, 9189), (3063, 6015), (3609, 5105)]