19721752

素因数分解:

$2^3\times {\mathrm{1117}}^1\times {\mathrm{2207}}^1$

素因数の和:3330

約数の個数: 16

約数和(自身を含む): 37028160

約数和(自身を除く): 17306408

約数列:

[1, 2, 4, 8, 1117, 2207, 2234, 4414, 4468, 8828, 8936, 17656, 2465219, 4930438, 9860876, 19721752]

約数ペア:

[(1, 19721752), (2, 9860876), (4, 4930438), (8, 2465219), (1117, 17656), (2207, 8936), (2234, 8828), (4414, 4468)]