19989881279

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{447311}}^1$

素因数の和:447430

約数の個数: 16

約数和(自身を含む): 21900395520

約数和(自身を除く): 1910514241

約数列:

[1, 23, 29, 67, 667, 1541, 1943, 44689, 447311, 10288153, 12972019, 29969837, 298356437, 689306251, 869125273, 19989881279]

約数ペア:

[(1, 19989881279), (23, 869125273), (29, 689306251), (67, 298356437), (667, 29969837), (1541, 12972019), (1943, 10288153), (44689, 447311)]