18744185

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 22946880

約数和(自身を除く): 4202695

約数列:

[1, 5, 109, 163, 211, 545, 815, 1055, 17767, 22999, 34393, 88835, 114995, 171965, 3748837, 18744185]

約数ペア:

[(1, 18744185), (5, 3748837), (109, 171965), (163, 114995), (211, 88835), (545, 34393), (815, 22999), (1055, 17767)]