18184743

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 29132928

約数和(自身を除く): 10948185

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 227, 387, 621, 681, 989, 1161, 1863, 2043, 2967, 3483, 5221, 6129, 8901, 9761, 15663, 18387, 26703, 29283, 46989, 80109, 87849, 140967, 224503, 263547, 422901, 673509, 790641, 2020527, 6061581, 18184743]

約数ペア:

[(1, 18184743), (3, 6061581), (9, 2020527), (23, 790641), (27, 673509), (43, 422901), (69, 263547), (81, 224503), (129, 140967), (207, 87849), (227, 80109), (387, 46989), (621, 29283), (681, 26703), (989, 18387), (1161, 15663), (1863, 9761), (2043, 8901), (2967, 6129), (3483, 5221)]