19895030

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10099}}^1$

素因数の和:10303

約数の個数: 16

約数和(自身を含む): 35996400

約数和(自身を除く): 16101370

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 10099, 20198, 50495, 100990, 1989503, 3979006, 9947515, 19895030]

約数ペア:

[(1, 19895030), (2, 9947515), (5, 3979006), (10, 1989503), (197, 100990), (394, 50495), (985, 20198), (1970, 10099)]