18281435

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 4942885

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2239, 8165, 11195, 51497, 158969, 257485, 794845, 3656287, 18281435]

約数ペア:

[(1, 18281435), (5, 3656287), (23, 794845), (71, 257485), (115, 158969), (355, 51497), (1633, 11195), (2239, 8165)]