16819190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23689}}^1$

素因数の和:23767

約数の個数: 16

約数和(自身を含む): 30702240

約数和(自身を除く): 13883050

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 23689, 47378, 118445, 236890, 1681919, 3363838, 8409595, 16819190]

約数ペア:

[(1, 16819190), (2, 8409595), (5, 3363838), (10, 1681919), (71, 236890), (142, 118445), (355, 47378), (710, 23689)]