19366529

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 26234880

約数和(自身を除く): 6868351

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 487, 1729, 2093, 3059, 3409, 5681, 6331, 9253, 11201, 39767, 44317, 64771, 78407, 120289, 145613, 212819, 842023, 1019291, 1489733, 2766647, 19366529]

約数ペア:

[(1, 19366529), (7, 2766647), (13, 1489733), (19, 1019291), (23, 842023), (91, 212819), (133, 145613), (161, 120289), (247, 78407), (299, 64771), (437, 44317), (487, 39767), (1729, 11201), (2093, 9253), (3059, 6331), (3409, 5681)]