18786326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 33838560

約数和(自身を除く): 15052234

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2237, 4199, 4474, 8398, 29081, 38029, 42503, 58162, 76058, 85006, 494377, 552539, 722551, 988754, 1105078, 1445102, 9393163, 18786326]

約数ペア:

[(1, 18786326), (2, 9393163), (13, 1445102), (17, 1105078), (19, 988754), (26, 722551), (34, 552539), (38, 494377), (221, 85006), (247, 76058), (323, 58162), (442, 42503), (494, 38029), (646, 29081), (2237, 8398), (4199, 4474)]