16719784

素因数分解:

$2^3\times {\mathrm{103}}^2\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 31817610

約数和(自身を除く): 15097826

約数列:

[1, 2, 4, 8, 103, 197, 206, 394, 412, 788, 824, 1576, 10609, 20291, 21218, 40582, 42436, 81164, 84872, 162328, 2089973, 4179946, 8359892, 16719784]

約数ペア:

[(1, 16719784), (2, 8359892), (4, 4179946), (8, 2089973), (103, 162328), (197, 84872), (206, 81164), (394, 42436), (412, 40582), (788, 21218), (824, 20291), (1576, 10609)]