19545392

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28409}}^1$

素因数の和:28460

約数の個数: 20

約数和(自身を含む): 38751240

約数和(自身を除く): 19205848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28409, 56818, 113636, 227272, 454544, 1221587, 2443174, 4886348, 9772696, 19545392]

約数ペア:

[(1, 19545392), (2, 9772696), (4, 4886348), (8, 2443174), (16, 1221587), (43, 454544), (86, 227272), (172, 113636), (344, 56818), (688, 28409)]