19334420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 47927880

約数和(自身を除く): 28593460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 181, 196, 218, 245, 362, 436, 490, 545, 724, 763, 905, 980, 1090, 1267, 1526, 1810, 2180, 2534, 3052, 3620, 3815, 5068, 5341, 6335, 7630, 8869, 10682, 12670, 15260, 17738, 19729, 21364, 25340, 26705, 35476, 39458, 44345, 53410, 78916, 88690, 98645, 106820, 138103, 177380, 197290, 276206, 394580, 552412, 690515, 966721, 1381030, 1933442, 2762060, 3866884, 4833605, 9667210, 19334420]

約数ペア:

[(1, 19334420), (2, 9667210), (4, 4833605), (5, 3866884), (7, 2762060), (10, 1933442), (14, 1381030), (20, 966721), (28, 690515), (35, 552412), (49, 394580), (70, 276206), (98, 197290), (109, 177380), (140, 138103), (181, 106820), (196, 98645), (218, 88690), (245, 78916), (362, 53410), (436, 44345), (490, 39458), (545, 35476), (724, 26705), (763, 25340), (905, 21364), (980, 19729), (1090, 17738), (1267, 15260), (1526, 12670), (1810, 10682), (2180, 8869), (2534, 7630), (3052, 6335), (3620, 5341), (3815, 5068)]