18554151

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 13296345

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2591, 7161, 7773, 18137, 28501, 54411, 80321, 85503, 199507, 240963, 562247, 598521, 883531, 1686741, 2650593, 6184717, 18554151]

約数ペア:

[(1, 18554151), (3, 6184717), (7, 2650593), (11, 1686741), (21, 883531), (31, 598521), (33, 562247), (77, 240963), (93, 199507), (217, 85503), (231, 80321), (341, 54411), (651, 28501), (1023, 18137), (2387, 7773), (2591, 7161)]