19774249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 22523904

約数和(自身を除く): 2749655

約数列:

[1, 11, 31, 103, 341, 563, 1133, 3193, 6193, 17453, 35123, 57989, 191983, 637879, 1797659, 19774249]

約数ペア:

[(1, 19774249), (11, 1797659), (31, 637879), (103, 191983), (341, 57989), (563, 35123), (1133, 17453), (3193, 6193)]