19787498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2887}}^1$

素因数の和:3061

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 11402902

約数列:

[1, 2, 23, 46, 149, 298, 2887, 3427, 5774, 6854, 66401, 132802, 430163, 860326, 9893749, 19787498]

約数ペア:

[(1, 19787498), (2, 9893749), (23, 860326), (46, 430163), (149, 132802), (298, 66401), (2887, 6854), (3427, 5774)]