18717738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7790

約数の個数: 32

約数和(自身を含む): 41620992

約数和(自身を除く): 22903254

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7741, 15482, 23223, 46446, 100633, 201266, 239971, 301899, 479942, 603798, 719913, 1439826, 3119623, 6239246, 9358869, 18717738]

約数ペア:

[(1, 18717738), (2, 9358869), (3, 6239246), (6, 3119623), (13, 1439826), (26, 719913), (31, 603798), (39, 479942), (62, 301899), (78, 239971), (93, 201266), (186, 100633), (403, 46446), (806, 23223), (1209, 15482), (2418, 7741)]