19868008

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{13721}}^1$

素因数の和:13908

約数の個数: 16

約数和(自身を含む): 37461060

約数和(自身を除く): 17593052

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 13721, 27442, 54884, 109768, 2483501, 4967002, 9934004, 19868008]

約数ペア:

[(1, 19868008), (2, 9934004), (4, 4967002), (8, 2483501), (181, 109768), (362, 54884), (724, 27442), (1448, 13721)]