19201767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4517}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 27830880

約数和(自身を除く): 8629113

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4517, 13551, 58721, 176163, 492353, 1477059, 6400589, 19201767]

約数ペア:

[(1, 19201767), (3, 6400589), (13, 1477059), (39, 492353), (109, 176163), (327, 58721), (1417, 13551), (4251, 4517)]