18738414

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2264

約数の個数: 24

約数和(自身を含む): 40687920

約数和(自身を除く): 21949506

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1609, 1941, 3218, 3882, 4827, 5823, 9654, 11646, 14481, 28962, 1041023, 2082046, 3123069, 6246138, 9369207, 18738414]

約数ペア:

[(1, 18738414), (2, 9369207), (3, 6246138), (6, 3123069), (9, 2082046), (18, 1041023), (647, 28962), (1294, 14481), (1609, 11646), (1941, 9654), (3218, 5823), (3882, 4827)]