19298320

素因数分解:

$2^4\times 5^1\times {\mathrm{241229}}^1$

素因数の和:241242

約数の個数: 20

約数和(自身を含む): 44868780

約数和(自身を除く): 25570460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241229, 482458, 964916, 1206145, 1929832, 2412290, 3859664, 4824580, 9649160, 19298320]

約数ペア:

[(1, 19298320), (2, 9649160), (4, 4824580), (5, 3859664), (8, 2412290), (10, 1929832), (16, 1206145), (20, 964916), (40, 482458), (80, 241229)]