19893599

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 22588416

約数和(自身を除く): 2694817

約数列:

[1, 11, 31, 227, 257, 341, 2497, 2827, 7037, 7967, 58339, 77407, 87637, 641729, 1808509, 19893599]

約数ペア:

[(1, 19893599), (11, 1808509), (31, 641729), (227, 87637), (257, 77407), (341, 58339), (2497, 7967), (2827, 7037)]