18260406

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 42120000

約数和(自身を除く): 23859594

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 499, 642, 963, 998, 1497, 1926, 2033, 2994, 4066, 4491, 6099, 8982, 9481, 12198, 18297, 18962, 28443, 36594, 53393, 56886, 85329, 106786, 160179, 170658, 320358, 480537, 961074, 1014467, 2028934, 3043401, 6086802, 9130203, 18260406]

約数ペア:

[(1, 18260406), (2, 9130203), (3, 6086802), (6, 3043401), (9, 2028934), (18, 1014467), (19, 961074), (38, 480537), (57, 320358), (107, 170658), (114, 160179), (171, 106786), (214, 85329), (321, 56886), (342, 53393), (499, 36594), (642, 28443), (963, 18962), (998, 18297), (1497, 12198), (1926, 9481), (2033, 8982), (2994, 6099), (4066, 4491)]