19847312

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7901}}^1$

素因数の和:8066

約数の個数: 20

約数和(自身を含む): 38703996

約数和(自身を除く): 18856684

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7901, 15802, 31604, 63208, 126416, 1240457, 2480914, 4961828, 9923656, 19847312]

約数ペア:

[(1, 19847312), (2, 9923656), (4, 4961828), (8, 2480914), (16, 1240457), (157, 126416), (314, 63208), (628, 31604), (1256, 15802), (2512, 7901)]