19955782

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 37718784

約数和(自身を除く): 17763002

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1283, 1414, 2222, 2566, 7777, 8981, 14113, 15554, 17962, 28226, 98791, 129583, 197582, 259166, 907081, 1425413, 1814162, 2850826, 9977891, 19955782]

約数ペア:

[(1, 19955782), (2, 9977891), (7, 2850826), (11, 1814162), (14, 1425413), (22, 907081), (77, 259166), (101, 197582), (154, 129583), (202, 98791), (707, 28226), (1111, 17962), (1283, 15554), (1414, 14113), (2222, 8981), (2566, 7777)]