19921557

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{937}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 28064960

約数和(自身を除く): 8143403

約数列:

[1, 3, 19, 57, 373, 937, 1119, 2811, 7087, 17803, 21261, 53409, 349501, 1048503, 6640519, 19921557]

約数ペア:

[(1, 19921557), (3, 6640519), (19, 1048503), (57, 349501), (373, 53409), (937, 21261), (1119, 17803), (2811, 7087)]