18553820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11177}}^1$

素因数の和:11269

約数の個数: 24

約数和(自身を含む): 39435984

約数和(自身を除く): 20882164

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11177, 22354, 44708, 55885, 111770, 223540, 927691, 1855382, 3710764, 4638455, 9276910, 18553820]

約数ペア:

[(1, 18553820), (2, 9276910), (4, 4638455), (5, 3710764), (10, 1855382), (20, 927691), (83, 223540), (166, 111770), (332, 55885), (415, 44708), (830, 22354), (1660, 11177)]