199105864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1309907}}^1$

素因数の和:1309932

約数の個数: 16

約数和(自身を含む): 392972400

約数和(自身を除く): 193866536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1309907, 2619814, 5239628, 10479256, 24888233, 49776466, 99552932, 199105864]

約数ペア:

[(1, 199105864), (2, 99552932), (4, 49776466), (8, 24888233), (19, 10479256), (38, 5239628), (76, 2619814), (152, 1309907)]