19519313

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 22070400

約数和(自身を除く): 2551087

約数列:

[1, 11, 37, 199, 241, 407, 2189, 2651, 7363, 8917, 47959, 80993, 98087, 527549, 1774483, 19519313]

約数ペア:

[(1, 19519313), (11, 1774483), (37, 527549), (199, 98087), (241, 80993), (407, 47959), (2189, 8917), (2651, 7363)]