19881334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47563}}^1$

素因数の和:47595

約数の個数: 16

約数和(自身を含む): 34246080

約数和(自身を除く): 14364746

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47563, 95126, 523193, 903697, 1046386, 1807394, 9940667, 19881334]

約数ペア:

[(1, 19881334), (2, 9940667), (11, 1807394), (19, 1046386), (22, 903697), (38, 523193), (209, 95126), (418, 47563)]