18665942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1201}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 29569200

約数和(自身を除く): 10903258

約数列:

[1, 2, 19, 38, 409, 818, 1201, 2402, 7771, 15542, 22819, 45638, 491209, 982418, 9332971, 18665942]

約数ペア:

[(1, 18665942), (2, 9332971), (19, 982418), (38, 491209), (409, 45638), (818, 22819), (1201, 15542), (2402, 7771)]