19651258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20773}}^1$

素因数の和:20829

約数の個数: 16

約数和(自身を含む): 32906016

約数和(自身を除く): 13254758

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20773, 41546, 228503, 457006, 893239, 1786478, 9825629, 19651258]

約数ペア:

[(1, 19651258), (2, 9825629), (11, 1786478), (22, 893239), (43, 457006), (86, 228503), (473, 41546), (946, 20773)]