18440526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 43706880

約数和(自身を除く): 25266354

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 541, 598, 741, 874, 897, 1082, 1311, 1482, 1623, 1794, 2622, 3246, 5681, 7033, 10279, 11362, 12443, 14066, 17043, 20558, 21099, 24886, 30837, 34086, 37329, 42198, 61674, 74658, 133627, 161759, 236417, 267254, 323518, 400881, 472834, 485277, 709251, 801762, 970554, 1418502, 3073421, 6146842, 9220263, 18440526]

約数ペア:

[(1, 18440526), (2, 9220263), (3, 6146842), (6, 3073421), (13, 1418502), (19, 970554), (23, 801762), (26, 709251), (38, 485277), (39, 472834), (46, 400881), (57, 323518), (69, 267254), (78, 236417), (114, 161759), (138, 133627), (247, 74658), (299, 61674), (437, 42198), (494, 37329), (541, 34086), (598, 30837), (741, 24886), (874, 21099), (897, 20558), (1082, 17043), (1311, 14066), (1482, 12443), (1623, 11362), (1794, 10279), (2622, 7033), (3246, 5681)]