18835916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22531}}^1$

素因数の和:22565

約数の個数: 24

約数和(自身を含む): 37853760

約数和(自身を除く): 19017844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22531, 45062, 90124, 247841, 428089, 495682, 856178, 991364, 1712356, 4708979, 9417958, 18835916]

約数ペア:

[(1, 18835916), (2, 9417958), (4, 4708979), (11, 1712356), (19, 991364), (22, 856178), (38, 495682), (44, 428089), (76, 247841), (209, 90124), (418, 45062), (836, 22531)]