18872604

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 54

約数和(自身を含む): 49920416

約数和(自身を除く): 31047812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 529, 828, 991, 1058, 1587, 1982, 2116, 2973, 3174, 3964, 4761, 5946, 6348, 8919, 9522, 11892, 17838, 19044, 22793, 35676, 45586, 68379, 91172, 136758, 205137, 273516, 410274, 524239, 820548, 1048478, 1572717, 2096956, 3145434, 4718151, 6290868, 9436302, 18872604]

約数ペア:

[(1, 18872604), (2, 9436302), (3, 6290868), (4, 4718151), (6, 3145434), (9, 2096956), (12, 1572717), (18, 1048478), (23, 820548), (36, 524239), (46, 410274), (69, 273516), (92, 205137), (138, 136758), (207, 91172), (276, 68379), (414, 45586), (529, 35676), (828, 22793), (991, 19044), (1058, 17838), (1587, 11892), (1982, 9522), (2116, 8919), (2973, 6348), (3174, 5946), (3964, 4761)]