19542085

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 4851515

約数列:

[1, 5, 29, 145, 307, 439, 1535, 2195, 8903, 12731, 44515, 63655, 134773, 673865, 3908417, 19542085]

約数ペア:

[(1, 19542085), (5, 3908417), (29, 673865), (145, 134773), (307, 63655), (439, 44515), (1535, 12731), (2195, 8903)]