18097660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 45102960

約数和(自身を除く): 27005300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 313, 413, 490, 590, 626, 826, 980, 1180, 1252, 1565, 1652, 2065, 2191, 2891, 3130, 4130, 4382, 5782, 6260, 8260, 8764, 10955, 11564, 14455, 15337, 18467, 21910, 28910, 30674, 36934, 43820, 57820, 61348, 73868, 76685, 92335, 129269, 153370, 184670, 258538, 306740, 369340, 517076, 646345, 904883, 1292690, 1809766, 2585380, 3619532, 4524415, 9048830, 18097660]

約数ペア:

[(1, 18097660), (2, 9048830), (4, 4524415), (5, 3619532), (7, 2585380), (10, 1809766), (14, 1292690), (20, 904883), (28, 646345), (35, 517076), (49, 369340), (59, 306740), (70, 258538), (98, 184670), (118, 153370), (140, 129269), (196, 92335), (236, 76685), (245, 73868), (295, 61348), (313, 57820), (413, 43820), (490, 36934), (590, 30674), (626, 28910), (826, 21910), (980, 18467), (1180, 15337), (1252, 14455), (1565, 11564), (1652, 10955), (2065, 8764), (2191, 8260), (2891, 6260), (3130, 5782), (4130, 4382)]