18790218

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 45156384

約数和(自身を除く): 26366166

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 81, 82, 123, 138, 162, 207, 243, 246, 369, 414, 486, 621, 738, 943, 1107, 1242, 1681, 1863, 1886, 2214, 2829, 3321, 3362, 3726, 5043, 5589, 5658, 6642, 8487, 9963, 10086, 11178, 15129, 16974, 19926, 25461, 30258, 38663, 45387, 50922, 76383, 77326, 90774, 115989, 136161, 152766, 229149, 231978, 272322, 347967, 408483, 458298, 695934, 816966, 1043901, 2087802, 3131703, 6263406, 9395109, 18790218]

約数ペア:

[(1, 18790218), (2, 9395109), (3, 6263406), (6, 3131703), (9, 2087802), (18, 1043901), (23, 816966), (27, 695934), (41, 458298), (46, 408483), (54, 347967), (69, 272322), (81, 231978), (82, 229149), (123, 152766), (138, 136161), (162, 115989), (207, 90774), (243, 77326), (246, 76383), (369, 50922), (414, 45387), (486, 38663), (621, 30258), (738, 25461), (943, 19926), (1107, 16974), (1242, 15129), (1681, 11178), (1863, 10086), (1886, 9963), (2214, 8487), (2829, 6642), (3321, 5658), (3362, 5589), (3726, 5043)]