19749942

素因数分解:

$2^1\times 3^2\times {\mathrm{887}}^1\times {\mathrm{1237}}^1$

素因数の和:2132

約数の個数: 24

約数和(自身を含む): 42874416

約数和(自身を除く): 23124474

約数列:

[1, 2, 3, 6, 9, 18, 887, 1237, 1774, 2474, 2661, 3711, 5322, 7422, 7983, 11133, 15966, 22266, 1097219, 2194438, 3291657, 6583314, 9874971, 19749942]

約数ペア:

[(1, 19749942), (2, 9874971), (3, 6583314), (6, 3291657), (9, 2194438), (18, 1097219), (887, 22266), (1237, 15966), (1774, 11133), (2474, 7983), (2661, 7422), (3711, 5322)]