19707965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 4916035

約数列:

[1, 5, 29, 145, 199, 683, 995, 3415, 5771, 19807, 28855, 99035, 135917, 679585, 3941593, 19707965]

約数ペア:

[(1, 19707965), (5, 3941593), (29, 679585), (145, 135917), (199, 99035), (683, 28855), (995, 19807), (3415, 5771)]