18579050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 39937920

約数和(自身を除く): 21358870

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 487, 545, 763, 974, 1090, 1526, 2435, 2725, 3409, 3815, 4870, 5450, 6818, 7630, 12175, 17045, 19075, 24350, 34090, 38150, 53083, 85225, 106166, 170450, 265415, 371581, 530830, 743162, 1327075, 1857905, 2654150, 3715810, 9289525, 18579050]

約数ペア:

[(1, 18579050), (2, 9289525), (5, 3715810), (7, 2654150), (10, 1857905), (14, 1327075), (25, 743162), (35, 530830), (50, 371581), (70, 265415), (109, 170450), (175, 106166), (218, 85225), (350, 53083), (487, 38150), (545, 34090), (763, 24350), (974, 19075), (1090, 17045), (1526, 12175), (2435, 7630), (2725, 6818), (3409, 5450), (3815, 4870)]