19826457

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7207}}^1$

素因数の和:7348

約数の個数: 16

約数和(自身を含む): 30446592

約数和(自身を除く): 10620135

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7207, 21621, 50449, 151347, 944117, 2832351, 6608819, 19826457]

約数ペア:

[(1, 19826457), (3, 6608819), (7, 2832351), (21, 944117), (131, 151347), (393, 50449), (917, 21621), (2751, 7207)]