18541854

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 41419872

約数和(自身を除く): 22878018

約数列:

[1, 2, 3, 6, 9, 18, 73, 103, 137, 146, 206, 219, 274, 309, 411, 438, 618, 657, 822, 927, 1233, 1314, 1854, 2466, 7519, 10001, 14111, 15038, 20002, 22557, 28222, 30003, 42333, 45114, 60006, 67671, 84666, 90009, 126999, 135342, 180018, 253998, 1030103, 2060206, 3090309, 6180618, 9270927, 18541854]

約数ペア:

[(1, 18541854), (2, 9270927), (3, 6180618), (6, 3090309), (9, 2060206), (18, 1030103), (73, 253998), (103, 180018), (137, 135342), (146, 126999), (206, 90009), (219, 84666), (274, 67671), (309, 60006), (411, 45114), (438, 42333), (618, 30003), (657, 28222), (822, 22557), (927, 20002), (1233, 15038), (1314, 14111), (1854, 10001), (2466, 7519)]