18820472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6899}}^1$

素因数の和:6947

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 20923528

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 6899, 13798, 27596, 55192, 75889, 151778, 213869, 303556, 427738, 607112, 855476, 1710952, 2352559, 4705118, 9410236, 18820472]

約数ペア:

[(1, 18820472), (2, 9410236), (4, 4705118), (8, 2352559), (11, 1710952), (22, 855476), (31, 607112), (44, 427738), (62, 303556), (88, 213869), (124, 151778), (248, 75889), (341, 55192), (682, 27596), (1364, 13798), (2728, 6899)]