138141818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{883}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 229132800

約数和(自身を除く): 90990982

約数列:

[1, 2, 19, 23, 38, 46, 179, 358, 437, 874, 883, 1766, 3401, 4117, 6802, 8234, 16777, 20309, 33554, 40618, 78223, 156446, 158057, 316114, 385871, 771742, 3003083, 3635311, 6006166, 7270622, 69070909, 138141818]

約数ペア:

[(1, 138141818), (2, 69070909), (19, 7270622), (23, 6006166), (38, 3635311), (46, 3003083), (179, 771742), (358, 385871), (437, 316114), (874, 158057), (883, 156446), (1766, 78223), (3401, 40618), (4117, 33554), (6802, 20309), (8234, 16777)]