18936774

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 44697600

約数和(自身を除く): 25760826

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 79, 138, 158, 193, 207, 237, 386, 414, 474, 579, 621, 711, 1158, 1242, 1422, 1737, 1817, 2133, 3474, 3634, 4266, 4439, 5211, 5451, 8878, 10422, 10902, 13317, 15247, 16353, 26634, 30494, 32706, 39951, 45741, 49059, 79902, 91482, 98118, 119853, 137223, 239706, 274446, 350681, 411669, 701362, 823338, 1052043, 2104086, 3156129, 6312258, 9468387, 18936774]

約数ペア:

[(1, 18936774), (2, 9468387), (3, 6312258), (6, 3156129), (9, 2104086), (18, 1052043), (23, 823338), (27, 701362), (46, 411669), (54, 350681), (69, 274446), (79, 239706), (138, 137223), (158, 119853), (193, 98118), (207, 91482), (237, 79902), (386, 49059), (414, 45741), (474, 39951), (579, 32706), (621, 30494), (711, 26634), (1158, 16353), (1242, 15247), (1422, 13317), (1737, 10902), (1817, 10422), (2133, 8878), (3474, 5451), (3634, 5211), (4266, 4439)]