18378702

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 42052608

約数和(自身を除く): 23673906

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 103, 138, 206, 207, 309, 414, 431, 618, 862, 927, 1293, 1854, 2369, 2586, 3879, 4738, 7107, 7758, 9913, 14214, 19826, 21321, 29739, 42642, 44393, 59478, 88786, 89217, 133179, 178434, 266358, 399537, 799074, 1021039, 2042078, 3063117, 6126234, 9189351, 18378702]

約数ペア:

[(1, 18378702), (2, 9189351), (3, 6126234), (6, 3063117), (9, 2042078), (18, 1021039), (23, 799074), (46, 399537), (69, 266358), (103, 178434), (138, 133179), (206, 89217), (207, 88786), (309, 59478), (414, 44393), (431, 42642), (618, 29739), (862, 21321), (927, 19826), (1293, 14214), (1854, 9913), (2369, 7758), (2586, 7107), (3879, 4738)]