19921814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21059}}^1$

素因数の和:21115

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 13437226

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21059, 42118, 231649, 463298, 905537, 1811074, 9960907, 19921814]

約数ペア:

[(1, 19921814), (2, 9960907), (11, 1811074), (22, 905537), (43, 463298), (86, 231649), (473, 42118), (946, 21059)]