19117802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6343}}^1$

素因数の和:6493

約数の個数: 16

約数和(自身を含む): 31516992

約数和(自身を除く): 12399190

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6343, 12686, 69773, 139546, 868991, 1737982, 9558901, 19117802]

約数ペア:

[(1, 19117802), (2, 9558901), (11, 1737982), (22, 868991), (137, 139546), (274, 69773), (1507, 12686), (3014, 6343)]