18924309

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 28098720

約数和(自身を除く): 9174411

約数列:

[1, 3, 9, 59, 157, 177, 227, 471, 531, 681, 1413, 2043, 9263, 13393, 27789, 35639, 40179, 83367, 106917, 120537, 320751, 2102701, 6308103, 18924309]

約数ペア:

[(1, 18924309), (3, 6308103), (9, 2102701), (59, 320751), (157, 120537), (177, 106917), (227, 83367), (471, 40179), (531, 35639), (681, 27789), (1413, 13393), (2043, 9263)]