18723628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 25402580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 37, 44, 53, 62, 74, 77, 106, 124, 148, 154, 212, 217, 259, 308, 341, 371, 407, 434, 518, 583, 682, 742, 814, 868, 1036, 1147, 1166, 1364, 1484, 1628, 1643, 1961, 2294, 2332, 2387, 2849, 3286, 3922, 4081, 4588, 4774, 5698, 6572, 7844, 8029, 8162, 9548, 11396, 11501, 12617, 13727, 16058, 16324, 18073, 21571, 23002, 25234, 27454, 32116, 36146, 43142, 46004, 50468, 54908, 60791, 72292, 86284, 88319, 121582, 126511, 150997, 176638, 243164, 253022, 301994, 353276, 425537, 506044, 603988, 668701, 851074, 1337402, 1702148, 2674804, 4680907, 9361814, 18723628]

約数ペア:

[(1, 18723628), (2, 9361814), (4, 4680907), (7, 2674804), (11, 1702148), (14, 1337402), (22, 851074), (28, 668701), (31, 603988), (37, 506044), (44, 425537), (53, 353276), (62, 301994), (74, 253022), (77, 243164), (106, 176638), (124, 150997), (148, 126511), (154, 121582), (212, 88319), (217, 86284), (259, 72292), (308, 60791), (341, 54908), (371, 50468), (407, 46004), (434, 43142), (518, 36146), (583, 32116), (682, 27454), (742, 25234), (814, 23002), (868, 21571), (1036, 18073), (1147, 16324), (1166, 16058), (1364, 13727), (1484, 12617), (1628, 11501), (1643, 11396), (1961, 9548), (2294, 8162), (2332, 8029), (2387, 7844), (2849, 6572), (3286, 5698), (3922, 4774), (4081, 4588)]