18915697989

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41210671}}^1$

素因数の和:41210697

約数の個数: 16

約数和(自身を含む): 29671683840

約数和(自身を除く): 10755985851

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41210671, 123632013, 370896039, 700581407, 1112688117, 2101744221, 6305232663, 18915697989]

約数ペア:

[(1, 18915697989), (3, 6305232663), (9, 2101744221), (17, 1112688117), (27, 700581407), (51, 370896039), (153, 123632013), (459, 41210671)]