18907218

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{8681}}^1$

素因数の和:8711

約数の個数: 36

約数和(自身を含む): 45033534

約数和(自身を除く): 26126316

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 8681, 17362, 26043, 52086, 78129, 95491, 156258, 190982, 286473, 572946, 859419, 1050401, 1718838, 2100802, 3151203, 6302406, 9453609, 18907218]

約数ペア:

[(1, 18907218), (2, 9453609), (3, 6302406), (6, 3151203), (9, 2100802), (11, 1718838), (18, 1050401), (22, 859419), (33, 572946), (66, 286473), (99, 190982), (121, 156258), (198, 95491), (242, 78129), (363, 52086), (726, 26043), (1089, 17362), (2178, 8681)]