19879665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 34640256

約数和(自身を除く): 14760591

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1051, 1261, 1455, 3153, 3783, 5255, 6305, 13663, 15765, 18915, 40989, 68315, 101947, 204945, 305841, 509735, 1325311, 1529205, 3975933, 6626555, 19879665]

約数ペア:

[(1, 19879665), (3, 6626555), (5, 3975933), (13, 1529205), (15, 1325311), (39, 509735), (65, 305841), (97, 204945), (195, 101947), (291, 68315), (485, 40989), (1051, 18915), (1261, 15765), (1455, 13663), (3153, 6305), (3783, 5255)]