18219103

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 21712896

約数和(自身を除く): 3493793

約数列:

[1, 7, 31, 113, 217, 743, 791, 3503, 5201, 23033, 24521, 83959, 161231, 587713, 2602729, 18219103]

約数ペア:

[(1, 18219103), (7, 2602729), (31, 587713), (113, 161231), (217, 83959), (743, 24521), (791, 23033), (3503, 5201)]