19287440

素因数分解:

$2^4\times 5^1\times {\mathrm{241093}}^1$

素因数の和:241106

約数の個数: 20

約数和(自身を含む): 44843484

約数和(自身を除く): 25556044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241093, 482186, 964372, 1205465, 1928744, 2410930, 3857488, 4821860, 9643720, 19287440]

約数ペア:

[(1, 19287440), (2, 9643720), (4, 4821860), (5, 3857488), (8, 2410930), (10, 1928744), (16, 1205465), (20, 964372), (40, 482186), (80, 241093)]