19047440

素因数分解:

$2^4\times 5^1\times {\mathrm{238093}}^1$

素因数の和:238106

約数の個数: 20

約数和(自身を含む): 44285484

約数和(自身を除く): 25238044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238093, 476186, 952372, 1190465, 1904744, 2380930, 3809488, 4761860, 9523720, 19047440]

約数ペア:

[(1, 19047440), (2, 9523720), (4, 4761860), (5, 3809488), (8, 2380930), (10, 1904744), (16, 1190465), (20, 952372), (40, 476186), (80, 238093)]