1861553884

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{4269619}}^1$

素因数の和:4269732

約数の個数: 12

約数和(自身を含む): 3287607400

約数和(自身を除く): 1426053516

約数列:

[1, 2, 4, 109, 218, 436, 4269619, 8539238, 17078476, 465388471, 930776942, 1861553884]

約数ペア:

[(1, 1861553884), (2, 930776942), (4, 465388471), (109, 17078476), (218, 8539238), (436, 4269619)]