19658704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94513}}^1$

素因数の和:94534

約数の個数: 20

約数和(自身を含む): 41019076

約数和(自身を除く): 21360372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94513, 189026, 378052, 756104, 1228669, 1512208, 2457338, 4914676, 9829352, 19658704]

約数ペア:

[(1, 19658704), (2, 9829352), (4, 4914676), (8, 2457338), (13, 1512208), (16, 1228669), (26, 756104), (52, 378052), (104, 189026), (208, 94513)]