18748458

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{7951}}^1$

素因数の和:8090

約数の個数: 24

約数和(自身を含む): 40936896

約数和(自身を除く): 22188438

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 7951, 15902, 23853, 47706, 71559, 143118, 1041581, 2083162, 3124743, 6249486, 9374229, 18748458]

約数ペア:

[(1, 18748458), (2, 9374229), (3, 6249486), (6, 3124743), (9, 2083162), (18, 1041581), (131, 143118), (262, 71559), (393, 47706), (786, 23853), (1179, 15902), (2358, 7951)]