19684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:67

約数の個数: 24

約数和(自身を含む): 42560

約数和(自身を除く): 22876

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684]

約数ペア:

[(1, 19684), (2, 9842), (4, 4921), (7, 2812), (14, 1406), (19, 1036), (28, 703), (37, 532), (38, 518), (74, 266), (76, 259), (133, 148)]