180918

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:73

約数の個数: 36

約数和(自身を含む): 431340

約数和(自身を除く): 250422

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 529, 874, 1058, 1311, 1587, 2622, 3174, 3933, 4761, 7866, 9522, 10051, 20102, 30153, 60306, 90459, 180918]

約数ペア:

[(1, 180918), (2, 90459), (3, 60306), (6, 30153), (9, 20102), (18, 10051), (19, 9522), (23, 7866), (38, 4761), (46, 3933), (57, 3174), (69, 2622), (114, 1587), (138, 1311), (171, 1058), (207, 874), (342, 529), (414, 437)]