16990398

素因数分解:

$2^1\times 3^4\times {\mathrm{104879}}^1$

素因数の和:104893

約数の個数: 20

約数和(自身を含む): 38071440

約数和(自身を除く): 21081042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 104879, 209758, 314637, 629274, 943911, 1887822, 2831733, 5663466, 8495199, 16990398]

約数ペア:

[(1, 16990398), (2, 8495199), (3, 5663466), (6, 2831733), (9, 1887822), (18, 943911), (27, 629274), (54, 314637), (81, 209758), (162, 104879)]