18718803

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 10933677

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 701, 989, 1161, 2103, 2967, 6309, 8901, 16123, 18927, 26703, 30143, 48369, 90429, 145107, 271287, 435321, 693289, 813861, 2079867, 6239601, 18718803]

約数ペア:

[(1, 18718803), (3, 6239601), (9, 2079867), (23, 813861), (27, 693289), (43, 435321), (69, 271287), (129, 145107), (207, 90429), (387, 48369), (621, 30143), (701, 26703), (989, 18927), (1161, 16123), (2103, 8901), (2967, 6309)]