18685210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109913}}^1$

素因数の和:109937

約数の個数: 16

約数和(自身を含む): 35612136

約数和(自身を除く): 16926926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 109913, 219826, 549565, 1099130, 1868521, 3737042, 9342605, 18685210]

約数ペア:

[(1, 18685210), (2, 9342605), (5, 3737042), (10, 1868521), (17, 1099130), (34, 549565), (85, 219826), (170, 109913)]