19922079

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{677}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 28215648

約数和(自身を除く): 8293569

約数列:

[1, 3, 17, 51, 577, 677, 1731, 2031, 9809, 11509, 29427, 34527, 390629, 1171887, 6640693, 19922079]

約数ペア:

[(1, 19922079), (3, 6640693), (17, 1171887), (51, 390629), (577, 34527), (677, 29427), (1731, 11509), (2031, 9809)]