18028868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 37980096

約数和(自身を除く): 19951228

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 733, 946, 1118, 1466, 1892, 2236, 2932, 6149, 8063, 9529, 12298, 16126, 19058, 24596, 31519, 32252, 38116, 63038, 104819, 126076, 209638, 346709, 409747, 419276, 693418, 819494, 1386836, 1638988, 4507217, 9014434, 18028868]

約数ペア:

[(1, 18028868), (2, 9014434), (4, 4507217), (11, 1638988), (13, 1386836), (22, 819494), (26, 693418), (43, 419276), (44, 409747), (52, 346709), (86, 209638), (143, 126076), (172, 104819), (286, 63038), (473, 38116), (559, 32252), (572, 31519), (733, 24596), (946, 19058), (1118, 16126), (1466, 12298), (1892, 9529), (2236, 8063), (2932, 6149)]