18478119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4550

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 8616921

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4409, 13227, 48499, 145497, 559943, 1679829, 6159373, 18478119]

約数ペア:

[(1, 18478119), (3, 6159373), (11, 1679829), (33, 559943), (127, 145497), (381, 48499), (1397, 13227), (4191, 4409)]