19201713040

素因数分解:

$2^4\times 5^1\times {\mathrm{240021413}}^1$

素因数の和:240021426

約数の個数: 20

約数和(自身を含む): 44643983004

約数和(自身を除く): 25442269964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240021413, 480042826, 960085652, 1200107065, 1920171304, 2400214130, 3840342608, 4800428260, 9600856520, 19201713040]

約数ペア:

[(1, 19201713040), (2, 9600856520), (4, 4800428260), (5, 3840342608), (8, 2400214130), (10, 1920171304), (16, 1200107065), (20, 960085652), (40, 480042826), (80, 240021413)]