18065994

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 22189494

約数列:

[1, 2, 3, 6, 23, 31, 41, 46, 62, 69, 82, 93, 103, 123, 138, 186, 206, 246, 309, 618, 713, 943, 1271, 1426, 1886, 2139, 2369, 2542, 2829, 3193, 3813, 4223, 4278, 4738, 5658, 6386, 7107, 7626, 8446, 9579, 12669, 14214, 19158, 25338, 29233, 58466, 73439, 87699, 97129, 130913, 146878, 175398, 194258, 220317, 261826, 291387, 392739, 440634, 582774, 785478, 3010999, 6021998, 9032997, 18065994]

約数ペア:

[(1, 18065994), (2, 9032997), (3, 6021998), (6, 3010999), (23, 785478), (31, 582774), (41, 440634), (46, 392739), (62, 291387), (69, 261826), (82, 220317), (93, 194258), (103, 175398), (123, 146878), (138, 130913), (186, 97129), (206, 87699), (246, 73439), (309, 58466), (618, 29233), (713, 25338), (943, 19158), (1271, 14214), (1426, 12669), (1886, 9579), (2139, 8446), (2369, 7626), (2542, 7107), (2829, 6386), (3193, 5658), (3813, 4738), (4223, 4278)]