18931170055

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{425563}}^1$

素因数の和:425647

約数の個数: 32

約数和(自身を含む): 27453984768

約数和(自身を除く): 8522814713

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 6355, 8897, 44485, 425563, 2127815, 2978941, 13192453, 14894705, 17448083, 65962265, 87240415, 92347171, 122136581, 461735855, 540890573, 610682905, 2704452865, 3786234011, 18931170055]

約数ペア:

[(1, 18931170055), (5, 3786234011), (7, 2704452865), (31, 610682905), (35, 540890573), (41, 461735855), (155, 122136581), (205, 92347171), (217, 87240415), (287, 65962265), (1085, 17448083), (1271, 14894705), (1435, 13192453), (6355, 2978941), (8897, 2127815), (44485, 425563)]