18939228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 55910400

約数和(自身を除く): 36971172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 103, 132, 154, 199, 206, 231, 308, 309, 398, 412, 462, 597, 618, 721, 796, 924, 1133, 1194, 1236, 1393, 1442, 2163, 2189, 2266, 2388, 2786, 2884, 3399, 4179, 4326, 4378, 4532, 5572, 6567, 6798, 7931, 8358, 8652, 8756, 13134, 13596, 15323, 15862, 16716, 20497, 23793, 26268, 30646, 31724, 40994, 45969, 47586, 61292, 61491, 81988, 91938, 95172, 122982, 143479, 183876, 225467, 245964, 286958, 430437, 450934, 573916, 676401, 860874, 901868, 1352802, 1578269, 1721748, 2705604, 3156538, 4734807, 6313076, 9469614, 18939228]

約数ペア:

[(1, 18939228), (2, 9469614), (3, 6313076), (4, 4734807), (6, 3156538), (7, 2705604), (11, 1721748), (12, 1578269), (14, 1352802), (21, 901868), (22, 860874), (28, 676401), (33, 573916), (42, 450934), (44, 430437), (66, 286958), (77, 245964), (84, 225467), (103, 183876), (132, 143479), (154, 122982), (199, 95172), (206, 91938), (231, 81988), (308, 61491), (309, 61292), (398, 47586), (412, 45969), (462, 40994), (597, 31724), (618, 30646), (721, 26268), (796, 23793), (924, 20497), (1133, 16716), (1194, 15862), (1236, 15323), (1393, 13596), (1442, 13134), (2163, 8756), (2189, 8652), (2266, 8358), (2388, 7931), (2786, 6798), (2884, 6567), (3399, 5572), (4179, 4532), (4326, 4378)]