19892290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19480190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1301, 1390, 1529, 2602, 3058, 6505, 7645, 13010, 14311, 15290, 28622, 71555, 143110, 180839, 361678, 904195, 1808390, 1989229, 3978458, 9946145, 19892290]

約数ペア:

[(1, 19892290), (2, 9946145), (5, 3978458), (10, 1989229), (11, 1808390), (22, 904195), (55, 361678), (110, 180839), (139, 143110), (278, 71555), (695, 28622), (1301, 15290), (1390, 14311), (1529, 13010), (2602, 7645), (3058, 6505)]