18465228

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31985172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 769, 828, 1044, 1334, 1538, 2001, 2307, 2668, 3076, 4002, 4614, 6003, 6921, 8004, 9228, 12006, 13842, 17687, 22301, 24012, 27684, 35374, 44602, 53061, 66903, 70748, 89204, 106122, 133806, 159183, 200709, 212244, 267612, 318366, 401418, 512923, 636732, 802836, 1025846, 1538769, 2051692, 3077538, 4616307, 6155076, 9232614, 18465228]

約数ペア:

[(1, 18465228), (2, 9232614), (3, 6155076), (4, 4616307), (6, 3077538), (9, 2051692), (12, 1538769), (18, 1025846), (23, 802836), (29, 636732), (36, 512923), (46, 401418), (58, 318366), (69, 267612), (87, 212244), (92, 200709), (116, 159183), (138, 133806), (174, 106122), (207, 89204), (261, 70748), (276, 66903), (348, 53061), (414, 44602), (522, 35374), (667, 27684), (769, 24012), (828, 22301), (1044, 17687), (1334, 13842), (1538, 12006), (2001, 9228), (2307, 8004), (2668, 6921), (3076, 6003), (4002, 4614)]