18911259

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41201}}^1$

素因数の和:41227

約数の個数: 16

約数和(自身を含む): 29665440

約数和(自身を除く): 10754181

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41201, 123603, 370809, 700417, 1112427, 2101251, 6303753, 18911259]

約数ペア:

[(1, 18911259), (3, 6303753), (9, 2101251), (17, 1112427), (27, 700417), (51, 370809), (153, 123603), (459, 41201)]