2019293855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197293}}^1$

素因数の和:197410

約数の個数: 16

約数和(自身を含む): 2556930240

約数和(自身を除く): 537636385

約数列:

[1, 5, 23, 89, 115, 445, 2047, 10235, 197293, 986465, 4537739, 17559077, 22688695, 87795385, 403858771, 2019293855]

約数ペア:

[(1, 2019293855), (5, 403858771), (23, 87795385), (89, 22688695), (115, 17559077), (445, 4537739), (2047, 986465), (10235, 197293)]