19959445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21347}}^1$

素因数の和:21380

約数の個数: 16

約数和(自身を含む): 27667008

約数和(自身を除く): 7707563

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21347, 106735, 234817, 362899, 1174085, 1814495, 3991889, 19959445]

約数ペア:

[(1, 19959445), (5, 3991889), (11, 1814495), (17, 1174085), (55, 362899), (85, 234817), (187, 106735), (935, 21347)]