19749884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64123}}^1$

素因数の和:64145

約数の個数: 24

約数和(自身を含む): 43091328

約数和(自身を除く): 23341444

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64123, 128246, 256492, 448861, 705353, 897722, 1410706, 1795444, 2821412, 4937471, 9874942, 19749884]

約数ペア:

[(1, 19749884), (2, 9874942), (4, 4937471), (7, 2821412), (11, 1795444), (14, 1410706), (22, 897722), (28, 705353), (44, 448861), (77, 256492), (154, 128246), (308, 64123)]