19121608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 20224952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 788, 1103, 1576, 2167, 2206, 4334, 4412, 8668, 8824, 12133, 17336, 24266, 48532, 97064, 217291, 434582, 869164, 1738328, 2390201, 4780402, 9560804, 19121608]

約数ペア:

[(1, 19121608), (2, 9560804), (4, 4780402), (8, 2390201), (11, 1738328), (22, 869164), (44, 434582), (88, 217291), (197, 97064), (394, 48532), (788, 24266), (1103, 17336), (1576, 12133), (2167, 8824), (2206, 8668), (4334, 4412)]