19540977

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 26758080

約数和(自身を除く): 7217103

約数列:

[1, 3, 59, 113, 177, 339, 977, 2931, 6667, 20001, 57643, 110401, 172929, 331203, 6513659, 19540977]

約数ペア:

[(1, 19540977), (3, 6513659), (59, 331203), (113, 172929), (177, 110401), (339, 57643), (977, 20001), (2931, 6667)]