18808868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21277}}^1$

素因数の和:21311

約数の個数: 24

約数和(自身を含む): 37534392

約数和(自身を除く): 18725524

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21277, 42554, 85108, 276601, 361709, 553202, 723418, 1106404, 1446836, 4702217, 9404434, 18808868]

約数ペア:

[(1, 18808868), (2, 9404434), (4, 4702217), (13, 1446836), (17, 1106404), (26, 723418), (34, 553202), (52, 361709), (68, 276601), (221, 85108), (442, 42554), (884, 21277)]