18691402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4597}}^1$

素因数の和:4725

約数の個数: 16

約数和(自身を含む): 29795040

約数和(自身を除く): 11103638

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4597, 9194, 87343, 174686, 491879, 983758, 9345701, 18691402]

約数ペア:

[(1, 18691402), (2, 9345701), (19, 983758), (38, 491879), (107, 174686), (214, 87343), (2033, 9194), (4066, 4597)]