18219924

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 47904640

約数和(自身を除く): 29684716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2311, 2628, 3942, 4622, 6933, 7884, 9244, 13866, 20799, 27732, 41598, 62397, 83196, 124794, 168703, 249588, 337406, 506109, 674812, 1012218, 1518327, 2024436, 3036654, 4554981, 6073308, 9109962, 18219924]

約数ペア:

[(1, 18219924), (2, 9109962), (3, 6073308), (4, 4554981), (6, 3036654), (9, 2024436), (12, 1518327), (18, 1012218), (27, 674812), (36, 506109), (54, 337406), (73, 249588), (108, 168703), (146, 124794), (219, 83196), (292, 62397), (438, 41598), (657, 27732), (876, 20799), (1314, 13866), (1971, 9244), (2311, 7884), (2628, 6933), (3942, 4622)]