19388103

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 11771193

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 293, 411, 483, 879, 959, 2051, 2877, 3151, 6153, 6739, 9453, 20217, 22057, 40141, 47173, 66171, 120423, 141519, 280987, 842961, 923243, 2769729, 6462701, 19388103]

約数ペア:

[(1, 19388103), (3, 6462701), (7, 2769729), (21, 923243), (23, 842961), (69, 280987), (137, 141519), (161, 120423), (293, 66171), (411, 47173), (483, 40141), (879, 22057), (959, 20217), (2051, 9453), (2877, 6739), (3151, 6153)]