19407256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220537}}^1$

素因数の和:220554

約数の個数: 16

約数和(自身を含む): 39696840

約数和(自身を除く): 20289584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220537, 441074, 882148, 1764296, 2425907, 4851814, 9703628, 19407256]

約数ペア:

[(1, 19407256), (2, 9703628), (4, 4851814), (8, 2425907), (11, 1764296), (22, 882148), (44, 441074), (88, 220537)]