19413081

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 11337639

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 727, 989, 1161, 2181, 2967, 6543, 8901, 16721, 19629, 26703, 31261, 50163, 93783, 150489, 281349, 451467, 719003, 844047, 2157009, 6471027, 19413081]

約数ペア:

[(1, 19413081), (3, 6471027), (9, 2157009), (23, 844047), (27, 719003), (43, 451467), (69, 281349), (129, 150489), (207, 93783), (387, 50163), (621, 31261), (727, 26703), (989, 19629), (1161, 16721), (2181, 8901), (2967, 6543)]