19454402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1801}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 31917024

約数和(自身を除く): 12462622

約数列:

[1, 2, 11, 22, 491, 982, 1801, 3602, 5401, 10802, 19811, 39622, 884291, 1768582, 9727201, 19454402]

約数ペア:

[(1, 19454402), (2, 9727201), (11, 1768582), (22, 884291), (491, 39622), (982, 19811), (1801, 10802), (3602, 5401)]