18777642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240739}}^1$

素因数の和:240757

約数の個数: 16

約数和(自身を含む): 40444320

約数和(自身を除く): 21666678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240739, 481478, 722217, 1444434, 3129607, 6259214, 9388821, 18777642]

約数ペア:

[(1, 18777642), (2, 9388821), (3, 6259214), (6, 3129607), (13, 1444434), (26, 722217), (39, 481478), (78, 240739)]