19925087

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 24632832

約数和(自身を除く): 4707745

約数列:

[1, 7, 13, 91, 347, 631, 2429, 4417, 4511, 8203, 31577, 57421, 218957, 1532699, 2846441, 19925087]

約数ペア:

[(1, 19925087), (7, 2846441), (13, 1532699), (91, 218957), (347, 57421), (631, 31577), (2429, 8203), (4417, 4511)]