19920939

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 7104981

約数列:

[1, 3, 107, 229, 271, 321, 687, 813, 24503, 28997, 62059, 73509, 86991, 186177, 6640313, 19920939]

約数ペア:

[(1, 19920939), (3, 6640313), (107, 186177), (229, 86991), (271, 73509), (321, 62059), (687, 28997), (813, 24503)]