18740940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{312349}}^1$

素因数の和:312361

約数の個数: 24

約数和(自身を含む): 52474800

約数和(自身を除く): 33733860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 312349, 624698, 937047, 1249396, 1561745, 1874094, 3123490, 3748188, 4685235, 6246980, 9370470, 18740940]

約数ペア:

[(1, 18740940), (2, 9370470), (3, 6246980), (4, 4685235), (5, 3748188), (6, 3123490), (10, 1874094), (12, 1561745), (15, 1249396), (20, 937047), (30, 624698), (60, 312349)]