19363049390

素因数分解:

$2^1\times 5^1\times {\mathrm{4409}}^1\times {\mathrm{439171}}^1$

素因数の和:443587

約数の個数: 16

約数和(自身を含む): 34861473360

約数和(自身を除く): 15498423970

約数列:

[1, 2, 5, 10, 4409, 8818, 22045, 44090, 439171, 878342, 2195855, 4391710, 1936304939, 3872609878, 9681524695, 19363049390]

約数ペア:

[(1, 19363049390), (2, 9681524695), (5, 3872609878), (10, 1936304939), (4409, 4391710), (8818, 2195855), (22045, 878342), (44090, 439171)]