16939312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81439}}^1$

素因数の和:81460

約数の個数: 20

約数和(自身を含む): 35344960

約数和(自身を除く): 18405648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81439, 162878, 325756, 651512, 1058707, 1303024, 2117414, 4234828, 8469656, 16939312]

約数ペア:

[(1, 16939312), (2, 8469656), (4, 4234828), (8, 2117414), (13, 1303024), (16, 1058707), (26, 651512), (52, 325756), (104, 162878), (208, 81439)]