19689173

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4217}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 4606507

約数列:

[1, 7, 23, 29, 161, 203, 667, 4217, 4669, 29519, 96991, 122293, 678937, 856051, 2812739, 19689173]

約数ペア:

[(1, 19689173), (7, 2812739), (23, 856051), (29, 678937), (161, 122293), (203, 96991), (667, 29519), (4217, 4669)]