18832814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 20842066

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 409, 506, 598, 818, 1001, 1771, 2002, 2093, 2863, 3289, 3542, 4186, 4499, 5317, 5726, 6578, 8998, 9407, 10634, 18814, 23023, 31493, 37219, 46046, 58487, 62986, 65849, 74438, 103477, 116974, 122291, 131698, 206954, 244582, 409409, 724339, 818818, 856037, 1345201, 1448678, 1712074, 2690402, 9416407, 18832814]

約数ペア:

[(1, 18832814), (2, 9416407), (7, 2690402), (11, 1712074), (13, 1448678), (14, 1345201), (22, 856037), (23, 818818), (26, 724339), (46, 409409), (77, 244582), (91, 206954), (143, 131698), (154, 122291), (161, 116974), (182, 103477), (253, 74438), (286, 65849), (299, 62986), (322, 58487), (409, 46046), (506, 37219), (598, 31493), (818, 23023), (1001, 18814), (1771, 10634), (2002, 9407), (2093, 8998), (2863, 6578), (3289, 5726), (3542, 5317), (4186, 4499)]