19528691

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3203}}^1$

素因数の和:3290

約数の個数: 16

約数和(自身を含む): 24401664

約数和(自身を除く): 4872973

約数列:

[1, 7, 13, 67, 91, 469, 871, 3203, 6097, 22421, 41639, 214601, 291473, 1502207, 2789813, 19528691]

約数ペア:

[(1, 19528691), (7, 2789813), (13, 1502207), (67, 291473), (91, 214601), (469, 41639), (871, 22421), (3203, 6097)]