18557270

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15968170

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 443, 590, 710, 886, 2215, 4189, 4430, 8378, 20945, 26137, 31453, 41890, 52274, 62906, 130685, 157265, 261370, 314530, 1855727, 3711454, 9278635, 18557270]

約数ペア:

[(1, 18557270), (2, 9278635), (5, 3711454), (10, 1855727), (59, 314530), (71, 261370), (118, 157265), (142, 130685), (295, 62906), (355, 52274), (443, 41890), (590, 31453), (710, 26137), (886, 20945), (2215, 8378), (4189, 4430)]