19861881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2029}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 28647360

約数和(自身を除く): 8785479

約数列:

[1, 3, 13, 39, 251, 753, 2029, 3263, 6087, 9789, 26377, 79131, 509279, 1527837, 6620627, 19861881]

約数ペア:

[(1, 19861881), (3, 6620627), (13, 1527837), (39, 509279), (251, 79131), (753, 26377), (2029, 9789), (3263, 6087)]