18969440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16937}}^1$

素因数の和:16959

約数の個数: 48

約数和(自身を含む): 51220512

約数和(自身を除く): 32251072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16937, 33874, 67748, 84685, 118559, 135496, 169370, 237118, 270992, 338740, 474236, 541984, 592795, 677480, 948472, 1185590, 1354960, 1896944, 2371180, 2709920, 3793888, 4742360, 9484720, 18969440]

約数ペア:

[(1, 18969440), (2, 9484720), (4, 4742360), (5, 3793888), (7, 2709920), (8, 2371180), (10, 1896944), (14, 1354960), (16, 1185590), (20, 948472), (28, 677480), (32, 592795), (35, 541984), (40, 474236), (56, 338740), (70, 270992), (80, 237118), (112, 169370), (140, 135496), (160, 118559), (224, 84685), (280, 67748), (560, 33874), (1120, 16937)]