19941707528

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80410111}}^1$

素因数の和:80410148

約数の個数: 16

約数和(自身を含む): 38596853760

約数和(自身を除く): 18655146232

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80410111, 160820222, 321640444, 643280888, 2492713441, 4985426882, 9970853764, 19941707528]

約数ペア:

[(1, 19941707528), (2, 9970853764), (4, 4985426882), (8, 2492713441), (31, 643280888), (62, 321640444), (124, 160820222), (248, 80410111)]