18549076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 21811244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 389, 524, 778, 917, 1556, 1703, 1834, 2723, 3406, 3668, 5057, 5446, 6812, 10114, 10892, 11921, 20228, 23842, 35399, 47684, 50959, 70798, 101918, 141596, 203836, 356713, 662467, 713426, 1324934, 1426852, 2649868, 4637269, 9274538, 18549076]

約数ペア:

[(1, 18549076), (2, 9274538), (4, 4637269), (7, 2649868), (13, 1426852), (14, 1324934), (26, 713426), (28, 662467), (52, 356713), (91, 203836), (131, 141596), (182, 101918), (262, 70798), (364, 50959), (389, 47684), (524, 35399), (778, 23842), (917, 20228), (1556, 11921), (1703, 10892), (1834, 10114), (2723, 6812), (3406, 5446), (3668, 5057)]