18528055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 28030464

約数和(自身を除く): 9502409

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 947, 1505, 2795, 3913, 4735, 6629, 12311, 19565, 33145, 40721, 61555, 86177, 203605, 285047, 430885, 529373, 1425235, 2646865, 3705611, 18528055]

約数ペア:

[(1, 18528055), (5, 3705611), (7, 2646865), (13, 1425235), (35, 529373), (43, 430885), (65, 285047), (91, 203605), (215, 86177), (301, 61555), (455, 40721), (559, 33145), (947, 19565), (1505, 12311), (2795, 6629), (3913, 4735)]