19249971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 9538509

約数列:

[1, 3, 13, 39, 53, 67, 139, 159, 201, 417, 689, 871, 1807, 2067, 2613, 3551, 5421, 7367, 9313, 10653, 22101, 27939, 46163, 95771, 121069, 138489, 287313, 363207, 493589, 1480767, 6416657, 19249971]

約数ペア:

[(1, 19249971), (3, 6416657), (13, 1480767), (39, 493589), (53, 363207), (67, 287313), (139, 138489), (159, 121069), (201, 95771), (417, 46163), (689, 27939), (871, 22101), (1807, 10653), (2067, 9313), (2613, 7367), (3551, 5421)]