19261900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3931}}^1$

素因数の和:3959

約数の個数: 54

約数和(自身を含む): 48634908

約数和(自身を除く): 29373008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3931, 4900, 7862, 15724, 19655, 27517, 39310, 55034, 78620, 98275, 110068, 137585, 192619, 196550, 275170, 385238, 393100, 550340, 687925, 770476, 963095, 1375850, 1926190, 2751700, 3852380, 4815475, 9630950, 19261900]

約数ペア:

[(1, 19261900), (2, 9630950), (4, 4815475), (5, 3852380), (7, 2751700), (10, 1926190), (14, 1375850), (20, 963095), (25, 770476), (28, 687925), (35, 550340), (49, 393100), (50, 385238), (70, 275170), (98, 196550), (100, 192619), (140, 137585), (175, 110068), (196, 98275), (245, 78620), (350, 55034), (490, 39310), (700, 27517), (980, 19655), (1225, 15724), (2450, 7862), (3931, 4900)]