19472973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 30917376

約数和(自身を除く): 11444403

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1277, 3831, 5083, 15249, 16601, 21709, 29371, 49803, 65127, 88113, 282217, 381823, 499307, 846651, 1145469, 1497921, 6490991, 19472973]

約数ペア:

[(1, 19472973), (3, 6490991), (13, 1497921), (17, 1145469), (23, 846651), (39, 499307), (51, 381823), (69, 282217), (221, 88113), (299, 65127), (391, 49803), (663, 29371), (897, 21709), (1173, 16601), (1277, 15249), (3831, 5083)]