19151391

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17207}}^1$

素因数の和:17270

約数の個数: 16

約数和(自身を含む): 29735424

約数和(自身を除く): 10584033

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17207, 51621, 120449, 361347, 911971, 2735913, 6383797, 19151391]

約数ペア:

[(1, 19151391), (3, 6383797), (7, 2735913), (21, 911971), (53, 361347), (159, 120449), (371, 51621), (1113, 17207)]