19503805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4404

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 5494595

約数列:

[1, 5, 29, 31, 145, 155, 899, 4339, 4495, 21695, 125831, 134509, 629155, 672545, 3900761, 19503805]

約数ペア:

[(1, 19503805), (5, 3900761), (29, 672545), (31, 629155), (145, 134509), (155, 125831), (899, 21695), (4339, 4495)]