9993904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{20149}}^1$

素因数の和:20188

約数の個数: 20

約数和(自身を含む): 19988800

約数和(自身を除く): 9994896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 20149, 40298, 80596, 161192, 322384, 624619, 1249238, 2498476, 4996952, 9993904]

約数ペア:

[(1, 9993904), (2, 4996952), (4, 2498476), (8, 1249238), (16, 624619), (31, 322384), (62, 161192), (124, 80596), (248, 40298), (496, 20149)]