19581554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5039}}^1$

素因数の和:5137

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 11263246

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5039, 10078, 146131, 292262, 337613, 675226, 9790777, 19581554]

約数ペア:

[(1, 19581554), (2, 9790777), (29, 675226), (58, 337613), (67, 292262), (134, 146131), (1943, 10078), (3886, 5039)]