2019137907

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 2787028992

約数和(自身を除く): 767891085

約数列:

[1, 3, 47, 141, 157, 197, 463, 471, 591, 1389, 7379, 9259, 21761, 22137, 27777, 30929, 65283, 72691, 91211, 92787, 218073, 273633, 1453663, 3416477, 4286917, 4360989, 10249431, 12860751, 14320127, 42960381, 673045969, 2019137907]

約数ペア:

[(1, 2019137907), (3, 673045969), (47, 42960381), (141, 14320127), (157, 12860751), (197, 10249431), (463, 4360989), (471, 4286917), (591, 3416477), (1389, 1453663), (7379, 273633), (9259, 218073), (21761, 92787), (22137, 91211), (27777, 72691), (30929, 65283)]