18264681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 30176640

約数和(自身を除く): 11911959

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 103, 153, 171, 183, 309, 323, 549, 927, 969, 1037, 1159, 1751, 1957, 2907, 3111, 3477, 5253, 5871, 6283, 9333, 10431, 15759, 17613, 18849, 19703, 33269, 56547, 59109, 99807, 106811, 119377, 177327, 299421, 320433, 358131, 961299, 1074393, 2029409, 6088227, 18264681]

約数ペア:

[(1, 18264681), (3, 6088227), (9, 2029409), (17, 1074393), (19, 961299), (51, 358131), (57, 320433), (61, 299421), (103, 177327), (153, 119377), (171, 106811), (183, 99807), (309, 59109), (323, 56547), (549, 33269), (927, 19703), (969, 18849), (1037, 17613), (1159, 15759), (1751, 10431), (1957, 9333), (2907, 6283), (3111, 5871), (3477, 5253)]