19883404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1087}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 17130356

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1076, 1087, 2174, 4348, 4573, 9146, 18292, 18479, 36958, 73916, 292403, 584806, 1169612, 4970851, 9941702, 19883404]

約数ペア:

[(1, 19883404), (2, 9941702), (4, 4970851), (17, 1169612), (34, 584806), (68, 292403), (269, 73916), (538, 36958), (1076, 18479), (1087, 18292), (2174, 9146), (4348, 4573)]