19480280

素因数分解:

$2^3\times 5^1\times {\mathrm{487007}}^1$

素因数の和:487018

約数の個数: 16

約数和(自身を含む): 43830720

約数和(自身を除く): 24350440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487007, 974014, 1948028, 2435035, 3896056, 4870070, 9740140, 19480280]

約数ペア:

[(1, 19480280), (2, 9740140), (4, 4870070), (5, 3896056), (8, 2435035), (10, 1948028), (20, 974014), (40, 487007)]