19741612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1097}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 37815120

約数和(自身を除く): 18073508

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1097, 1636, 2194, 4388, 4499, 8998, 12067, 17996, 24134, 48268, 448673, 897346, 1794692, 4935403, 9870806, 19741612]

約数ペア:

[(1, 19741612), (2, 9870806), (4, 4935403), (11, 1794692), (22, 897346), (44, 448673), (409, 48268), (818, 24134), (1097, 17996), (1636, 12067), (2194, 8998), (4388, 4499)]