19218936

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1756

約数の個数: 64

約数和(自身を含む): 53665920

約数和(自身を除く): 34446984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1693, 1892, 2838, 3386, 3784, 5079, 5676, 6772, 10158, 11352, 13544, 18623, 20316, 37246, 40632, 55869, 72799, 74492, 111738, 145598, 148984, 218397, 223476, 291196, 436794, 446952, 582392, 800789, 873588, 1601578, 1747176, 2402367, 3203156, 4804734, 6406312, 9609468, 19218936]

約数ペア:

[(1, 19218936), (2, 9609468), (3, 6406312), (4, 4804734), (6, 3203156), (8, 2402367), (11, 1747176), (12, 1601578), (22, 873588), (24, 800789), (33, 582392), (43, 446952), (44, 436794), (66, 291196), (86, 223476), (88, 218397), (129, 148984), (132, 145598), (172, 111738), (258, 74492), (264, 72799), (344, 55869), (473, 40632), (516, 37246), (946, 20316), (1032, 18623), (1419, 13544), (1693, 11352), (1892, 10158), (2838, 6772), (3386, 5676), (3784, 5079)]