18327500

素因数分解:

$2^2\times 5^4\times {\mathrm{7331}}^1$

素因数の和:7355

約数の個数: 30

約数和(自身を含む): 40084044

約数和(自身を除く): 21756544

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 7331, 14662, 29324, 36655, 73310, 146620, 183275, 366550, 733100, 916375, 1832750, 3665500, 4581875, 9163750, 18327500]

約数ペア:

[(1, 18327500), (2, 9163750), (4, 4581875), (5, 3665500), (10, 1832750), (20, 916375), (25, 733100), (50, 366550), (100, 183275), (125, 146620), (250, 73310), (500, 36655), (625, 29324), (1250, 14662), (2500, 7331)]