18746049

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4003}}^1$

素因数の和:4236

約数の個数: 16

約数和(自身を含む): 28700672

約数和(自身を除く): 9954623

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4003, 4683, 12009, 28021, 84063, 892669, 2678007, 6248683, 18746049]

約数ペア:

[(1, 18746049), (3, 6248683), (7, 2678007), (21, 892669), (223, 84063), (669, 28021), (1561, 12009), (4003, 4683)]