15218864

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1439}}^1$

素因数の和:2108

約数の個数: 20

約数和(自身を含む): 29551680

約数和(自身を除く): 14332816

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1439, 2644, 2878, 5288, 5756, 10576, 11512, 23024, 951179, 1902358, 3804716, 7609432, 15218864]

約数ペア:

[(1, 15218864), (2, 7609432), (4, 3804716), (8, 1902358), (16, 951179), (661, 23024), (1322, 11512), (1439, 10576), (2644, 5756), (2878, 5288)]