19970072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{108533}}^1$

素因数の和:108562

約数の個数: 16

約数和(自身を含む): 39072240

約数和(自身を除く): 19102168

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 108533, 217066, 434132, 868264, 2496259, 4992518, 9985036, 19970072]

約数ペア:

[(1, 19970072), (2, 9985036), (4, 4992518), (8, 2496259), (23, 868264), (46, 434132), (92, 217066), (184, 108533)]