18535041

素因数分解:

$3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 31584000

約数和(自身を除く): 13048959

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 281, 349, 843, 1047, 1967, 2443, 2529, 3141, 5901, 7329, 7587, 9423, 17703, 21987, 53109, 65961, 98069, 294207, 686483, 882621, 2059449, 2647863, 6178347, 18535041]

約数ペア:

[(1, 18535041), (3, 6178347), (7, 2647863), (9, 2059449), (21, 882621), (27, 686483), (63, 294207), (189, 98069), (281, 65961), (349, 53109), (843, 21987), (1047, 17703), (1967, 9423), (2443, 7587), (2529, 7329), (3141, 5901)]