18295220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19463}}^1$

素因数の和:19519

約数の個数: 24

約数和(自身を含む): 39239424

約数和(自身を除く): 20944204

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19463, 38926, 77852, 97315, 194630, 389260, 914761, 1829522, 3659044, 4573805, 9147610, 18295220]

約数ペア:

[(1, 18295220), (2, 9147610), (4, 4573805), (5, 3659044), (10, 1829522), (20, 914761), (47, 389260), (94, 194630), (188, 97315), (235, 77852), (470, 38926), (940, 19463)]