18028008

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 33721272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 647, 648, 774, 1032, 1161, 1294, 1548, 1941, 2322, 2588, 3096, 3483, 3882, 4644, 5176, 5823, 6966, 7764, 9288, 11646, 13932, 15528, 17469, 23292, 27821, 27864, 34938, 46584, 52407, 55642, 69876, 83463, 104814, 111284, 139752, 166926, 209628, 222568, 250389, 333852, 419256, 500778, 667704, 751167, 1001556, 1502334, 2003112, 2253501, 3004668, 4507002, 6009336, 9014004, 18028008]

約数ペア:

[(1, 18028008), (2, 9014004), (3, 6009336), (4, 4507002), (6, 3004668), (8, 2253501), (9, 2003112), (12, 1502334), (18, 1001556), (24, 751167), (27, 667704), (36, 500778), (43, 419256), (54, 333852), (72, 250389), (81, 222568), (86, 209628), (108, 166926), (129, 139752), (162, 111284), (172, 104814), (216, 83463), (258, 69876), (324, 55642), (344, 52407), (387, 46584), (516, 34938), (647, 27864), (648, 27821), (774, 23292), (1032, 17469), (1161, 15528), (1294, 13932), (1548, 11646), (1941, 9288), (2322, 7764), (2588, 6966), (3096, 5823), (3483, 5176), (3882, 4644)]