18187928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 38654280

約数和(自身を除く): 20466352

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 71, 82, 88, 142, 164, 284, 328, 451, 568, 781, 902, 1562, 1804, 2911, 3124, 3608, 5041, 5822, 6248, 10082, 11644, 20164, 23288, 32021, 40328, 55451, 64042, 110902, 128084, 206681, 221804, 256168, 413362, 443608, 826724, 1653448, 2273491, 4546982, 9093964, 18187928]

約数ペア:

[(1, 18187928), (2, 9093964), (4, 4546982), (8, 2273491), (11, 1653448), (22, 826724), (41, 443608), (44, 413362), (71, 256168), (82, 221804), (88, 206681), (142, 128084), (164, 110902), (284, 64042), (328, 55451), (451, 40328), (568, 32021), (781, 23288), (902, 20164), (1562, 11644), (1804, 10082), (2911, 6248), (3124, 5822), (3608, 5041)]