18914319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 29130192

約数和(自身を除く): 10215873

約数列:

[1, 3, 9, 17, 51, 153, 181, 543, 683, 1629, 2049, 3077, 6147, 9231, 11611, 27693, 34833, 104499, 123623, 370869, 1112607, 2101591, 6304773, 18914319]

約数ペア:

[(1, 18914319), (3, 6304773), (9, 2101591), (17, 1112607), (51, 370869), (153, 123623), (181, 104499), (543, 34833), (683, 27693), (1629, 11611), (2049, 9231), (3077, 6147)]