18910935

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 15003945

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1103, 1143, 1905, 3309, 3429, 5515, 5715, 9927, 16545, 17145, 29781, 49635, 140081, 148905, 420243, 700405, 1260729, 2101215, 3782187, 6303645, 18910935]

約数ペア:

[(1, 18910935), (3, 6303645), (5, 3782187), (9, 2101215), (15, 1260729), (27, 700405), (45, 420243), (127, 148905), (135, 140081), (381, 49635), (635, 29781), (1103, 17145), (1143, 16545), (1905, 9927), (3309, 5715), (3429, 5515)]