18731356

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4261}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 37710176

約数和(自身を除く): 18978820

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4261, 4396, 8522, 17044, 29827, 59654, 119308, 668977, 1337954, 2675908, 4682839, 9365678, 18731356]

約数ペア:

[(1, 18731356), (2, 9365678), (4, 4682839), (7, 2675908), (14, 1337954), (28, 668977), (157, 119308), (314, 59654), (628, 29827), (1099, 17044), (2198, 8522), (4261, 4396)]