19799427

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 26857472

約数和(自身を除く): 7058045

約数列:

[1, 3, 127, 157, 331, 381, 471, 993, 19939, 42037, 51967, 59817, 126111, 155901, 6599809, 19799427]

約数ペア:

[(1, 19799427), (3, 6599809), (127, 155901), (157, 126111), (331, 59817), (381, 51967), (471, 42037), (993, 19939)]