19852511

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 24284160

約数和(自身を除く): 4431649

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2447, 8113, 17129, 46493, 149267, 325451, 1044869, 2836073, 19852511]

約数ペア:

[(1, 19852511), (7, 2836073), (19, 1044869), (61, 325451), (133, 149267), (427, 46493), (1159, 17129), (2447, 8113)]