18917604

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1729

約数の個数: 48

約数和(自身を含む): 49526400

約数和(自身を除く): 30608796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1607, 1962, 2943, 3214, 3924, 4821, 5886, 6428, 9642, 11772, 14463, 19284, 28926, 43389, 57852, 86778, 173556, 175163, 350326, 525489, 700652, 1050978, 1576467, 2101956, 3152934, 4729401, 6305868, 9458802, 18917604]

約数ペア:

[(1, 18917604), (2, 9458802), (3, 6305868), (4, 4729401), (6, 3152934), (9, 2101956), (12, 1576467), (18, 1050978), (27, 700652), (36, 525489), (54, 350326), (108, 175163), (109, 173556), (218, 86778), (327, 57852), (436, 43389), (654, 28926), (981, 19284), (1308, 14463), (1607, 11772), (1962, 9642), (2943, 6428), (3214, 5886), (3924, 4821)]