19054838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1204

約数の個数: 24

約数和(自身を含む): 31888080

約数和(自身を除く): 12833242

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1109, 1562, 2218, 8591, 12199, 17182, 24398, 78739, 134189, 157478, 268378, 866129, 1732258, 9527419, 19054838]

約数ペア:

[(1, 19054838), (2, 9527419), (11, 1732258), (22, 866129), (71, 268378), (121, 157478), (142, 134189), (242, 78739), (781, 24398), (1109, 17182), (1562, 12199), (2218, 8591)]