19725189115

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1915997}}^1$

素因数の和:1916102

約数の個数: 16

約数和(自身を含む): 24831334080

約数和(自身を除く): 5106144965

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 1915997, 9579985, 55563913, 136035787, 277819565, 680178935, 3945037823, 19725189115]

約数ペア:

[(1, 19725189115), (5, 3945037823), (29, 680178935), (71, 277819565), (145, 136035787), (355, 55563913), (2059, 9579985), (10295, 1915997)]