19645232

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29947}}^1$

素因数の和:29996

約数の個数: 20

約数和(自身を含む): 38992296

約数和(自身を除く): 19347064

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29947, 59894, 119788, 239576, 479152, 1227827, 2455654, 4911308, 9822616, 19645232]

約数ペア:

[(1, 19645232), (2, 9822616), (4, 4911308), (8, 2455654), (16, 1227827), (41, 479152), (82, 239576), (164, 119788), (328, 59894), (656, 29947)]