18836714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 15092566

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2243, 4199, 4486, 8398, 29159, 38131, 42617, 58318, 76262, 85234, 495703, 554021, 724489, 991406, 1108042, 1448978, 9418357, 18836714]

約数ペア:

[(1, 18836714), (2, 9418357), (13, 1448978), (17, 1108042), (19, 991406), (26, 724489), (34, 554021), (38, 495703), (221, 85234), (247, 76262), (323, 58318), (442, 42617), (494, 38131), (646, 29159), (2243, 8398), (4199, 4486)]