19999545

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2113}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 32065152

約数和(自身を除く): 12065607

約数列:

[1, 3, 5, 15, 631, 1893, 2113, 3155, 6339, 9465, 10565, 31695, 1333303, 3999909, 6666515, 19999545]

約数ペア:

[(1, 19999545), (3, 6666515), (5, 3999909), (15, 1333303), (631, 31695), (1893, 10565), (2113, 9465), (3155, 6339)]