18654088

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 36099360

約数和(自身を除く): 17445272

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 257, 344, 422, 514, 844, 1028, 1688, 2056, 9073, 11051, 18146, 22102, 36292, 44204, 54227, 72584, 88408, 108454, 216908, 433816, 2331761, 4663522, 9327044, 18654088]

約数ペア:

[(1, 18654088), (2, 9327044), (4, 4663522), (8, 2331761), (43, 433816), (86, 216908), (172, 108454), (211, 88408), (257, 72584), (344, 54227), (422, 44204), (514, 36292), (844, 22102), (1028, 18146), (1688, 11051), (2056, 9073)]