18345320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65519}}^1$

素因数の和:65537

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 28829080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65519, 131038, 262076, 327595, 458633, 524152, 655190, 917266, 1310380, 1834532, 2293165, 2620760, 3669064, 4586330, 9172660, 18345320]

約数ペア:

[(1, 18345320), (2, 9172660), (4, 4586330), (5, 3669064), (7, 2620760), (8, 2293165), (10, 1834532), (14, 1310380), (20, 917266), (28, 655190), (35, 524152), (40, 458633), (56, 327595), (70, 262076), (140, 131038), (280, 65519)]