19404649

素因数分解:

${\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 16

約数和(自身を含む): 21784320

約数和(自身を除く): 2379671

約数列:

[1, 11, 61, 121, 239, 671, 1331, 2629, 7381, 14579, 28919, 81191, 160369, 318109, 1764059, 19404649]

約数ペア:

[(1, 19404649), (11, 1764059), (61, 318109), (121, 160369), (239, 81191), (671, 28919), (1331, 14579), (2629, 7381)]