19897394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4591}}^1$

素因数の和:4801

約数の個数: 16

約数和(自身を含む): 32731776

約数和(自身を除く): 12834382

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4591, 9182, 50501, 101002, 904427, 1808854, 9948697, 19897394]

約数ペア:

[(1, 19897394), (2, 9948697), (11, 1808854), (22, 904427), (197, 101002), (394, 50501), (2167, 9182), (4334, 4591)]