19305420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321757}}^1$

素因数の和:321769

約数の個数: 24

約数和(自身を含む): 54055344

約数和(自身を除く): 34749924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321757, 643514, 965271, 1287028, 1608785, 1930542, 3217570, 3861084, 4826355, 6435140, 9652710, 19305420]

約数ペア:

[(1, 19305420), (2, 9652710), (3, 6435140), (4, 4826355), (5, 3861084), (6, 3217570), (10, 1930542), (12, 1608785), (15, 1287028), (20, 965271), (30, 643514), (60, 321757)]