37989890

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8461}}^1$

素因数の和:8917

約数の個数: 16

約数和(自身を含む): 68542200

約数和(自身を除く): 30552310

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 8461, 16922, 42305, 84610, 3798989, 7597978, 18994945, 37989890]

約数ペア:

[(1, 37989890), (2, 18994945), (5, 7597978), (10, 3798989), (449, 84610), (898, 42305), (2245, 16922), (4490, 8461)]