19887939

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3313}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 31019040

約数和(自身を除く): 11131101

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3313, 6003, 9939, 29817, 76199, 96077, 228597, 288231, 685791, 864693, 2209771, 6629313, 19887939]

約数ペア:

[(1, 19887939), (3, 6629313), (9, 2209771), (23, 864693), (29, 685791), (69, 288231), (87, 228597), (207, 96077), (261, 76199), (667, 29817), (2001, 9939), (3313, 6003)]