19253857

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 22732672

約数和(自身を除く): 3478815

約数列:

[1, 7, 61, 67, 427, 469, 673, 4087, 4711, 28609, 41053, 45091, 287371, 315637, 2750551, 19253857]

約数ペア:

[(1, 19253857), (7, 2750551), (61, 315637), (67, 287371), (427, 45091), (469, 41053), (673, 28609), (4087, 4711)]