19768785

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12734895

約数列:

[1, 3, 5, 15, 107, 109, 113, 321, 327, 339, 535, 545, 565, 1605, 1635, 1695, 11663, 12091, 12317, 34989, 36273, 36951, 58315, 60455, 61585, 174945, 181365, 184755, 1317919, 3953757, 6589595, 19768785]

約数ペア:

[(1, 19768785), (3, 6589595), (5, 3953757), (15, 1317919), (107, 184755), (109, 181365), (113, 174945), (321, 61585), (327, 60455), (339, 58315), (535, 36951), (545, 36273), (565, 34989), (1605, 12317), (1635, 12091), (1695, 11663)]