18240772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 36900864

約数和(自身を除く): 18660092

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 124, 172, 311, 341, 473, 622, 682, 946, 1244, 1333, 1364, 1892, 2666, 3421, 5332, 6842, 9641, 13373, 13684, 14663, 19282, 26746, 29326, 38564, 53492, 58652, 106051, 147103, 212102, 294206, 414563, 424204, 588412, 829126, 1658252, 4560193, 9120386, 18240772]

約数ペア:

[(1, 18240772), (2, 9120386), (4, 4560193), (11, 1658252), (22, 829126), (31, 588412), (43, 424204), (44, 414563), (62, 294206), (86, 212102), (124, 147103), (172, 106051), (311, 58652), (341, 53492), (473, 38564), (622, 29326), (682, 26746), (946, 19282), (1244, 14663), (1333, 13684), (1364, 13373), (1892, 9641), (2666, 6842), (3421, 5332)]