19000720

素因数分解:

$2^4\times 5^1\times {\mathrm{237509}}^1$

素因数の和:237522

約数の個数: 20

約数和(自身を含む): 44176860

約数和(自身を除く): 25176140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237509, 475018, 950036, 1187545, 1900072, 2375090, 3800144, 4750180, 9500360, 19000720]

約数ペア:

[(1, 19000720), (2, 9500360), (4, 4750180), (5, 3800144), (8, 2375090), (10, 1900072), (16, 1187545), (20, 950036), (40, 475018), (80, 237509)]