19811346

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 40808448

約数和(自身を除く): 20997102

約数列:

[1, 2, 3, 6, 47, 94, 141, 163, 282, 326, 431, 489, 862, 978, 1293, 2586, 7661, 15322, 20257, 22983, 40514, 45966, 60771, 70253, 121542, 140506, 210759, 421518, 3301891, 6603782, 9905673, 19811346]

約数ペア:

[(1, 19811346), (2, 9905673), (3, 6603782), (6, 3301891), (47, 421518), (94, 210759), (141, 140506), (163, 121542), (282, 70253), (326, 60771), (431, 45966), (489, 40514), (862, 22983), (978, 20257), (1293, 15322), (2586, 7661)]