19638814

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 24

約数和(自身を含む): 32281200

約数和(自身を除く): 12642386

約数列:

[1, 2, 13, 26, 97, 169, 194, 338, 599, 1198, 1261, 2522, 7787, 15574, 16393, 32786, 58103, 101231, 116206, 202462, 755339, 1510678, 9819407, 19638814]

約数ペア:

[(1, 19638814), (2, 9819407), (13, 1510678), (26, 755339), (97, 202462), (169, 116206), (194, 101231), (338, 58103), (599, 32786), (1198, 16393), (1261, 15574), (2522, 7787)]