19826668

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 35707392

約数和(自身を除く): 15880724

約数列:

[1, 2, 4, 47, 94, 163, 188, 326, 647, 652, 1294, 2588, 7661, 15322, 30409, 30644, 60818, 105461, 121636, 210922, 421844, 4956667, 9913334, 19826668]

約数ペア:

[(1, 19826668), (2, 9913334), (4, 4956667), (47, 421844), (94, 210922), (163, 121636), (188, 105461), (326, 60818), (647, 30644), (652, 30409), (1294, 15322), (2588, 7661)]