18022060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 43686720

約数和(自身を除く): 25664660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1181, 1526, 2180, 2362, 3052, 3815, 4724, 5905, 7630, 8267, 11810, 15260, 16534, 23620, 33068, 41335, 82670, 128729, 165340, 257458, 514916, 643645, 901103, 1287290, 1802206, 2574580, 3604412, 4505515, 9011030, 18022060]

約数ペア:

[(1, 18022060), (2, 9011030), (4, 4505515), (5, 3604412), (7, 2574580), (10, 1802206), (14, 1287290), (20, 901103), (28, 643645), (35, 514916), (70, 257458), (109, 165340), (140, 128729), (218, 82670), (436, 41335), (545, 33068), (763, 23620), (1090, 16534), (1181, 15260), (1526, 11810), (2180, 8267), (2362, 7630), (3052, 5905), (3815, 4724)]