19902443

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 23072640

約数和(自身を除く): 3170197

約数列:

[1, 11, 19, 121, 209, 787, 1331, 2299, 8657, 14953, 25289, 95227, 164483, 1047497, 1809313, 19902443]

約数ペア:

[(1, 19902443), (11, 1809313), (19, 1047497), (121, 164483), (209, 95227), (787, 25289), (1331, 14953), (2299, 8657)]