19989992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227159}}^1$

素因数の和:227176

約数の個数: 16

約数和(自身を含む): 40888800

約数和(自身を除く): 20898808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227159, 454318, 908636, 1817272, 2498749, 4997498, 9994996, 19989992]

約数ペア:

[(1, 19989992), (2, 9994996), (4, 4997498), (8, 2498749), (11, 1817272), (22, 908636), (44, 454318), (88, 227159)]