17977420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47309}}^1$

素因数の和:47337

約数の個数: 24

約数和(自身を含む): 39740400

約数和(自身を除く): 21762980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47309, 94618, 189236, 236545, 473090, 898871, 946180, 1797742, 3595484, 4494355, 8988710, 17977420]

約数ペア:

[(1, 17977420), (2, 8988710), (4, 4494355), (5, 3595484), (10, 1797742), (19, 946180), (20, 898871), (38, 473090), (76, 236545), (95, 189236), (190, 94618), (380, 47309)]