18518457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1097}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 26246592

約数和(自身を除く): 7728135

約数列:

[1, 3, 17, 51, 331, 993, 1097, 3291, 5627, 16881, 18649, 55947, 363107, 1089321, 6172819, 18518457]

約数ペア:

[(1, 18518457), (3, 6172819), (17, 1089321), (51, 363107), (331, 55947), (993, 18649), (1097, 16881), (3291, 5627)]