28160774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20029}}^1$

素因数の和:20087

約数の個数: 16

約数和(自身を含む): 45668400

約数和(自身を除く): 17507626

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 20029, 40058, 380551, 741073, 761102, 1482146, 14080387, 28160774]

約数ペア:

[(1, 28160774), (2, 14080387), (19, 1482146), (37, 761102), (38, 741073), (74, 380551), (703, 40058), (1406, 20029)]