19775846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7129}}^1$

素因数の和:7223

約数の個数: 16

約数和(自身を含む): 31657200

約数和(自身を除く): 11881354

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7129, 14258, 135451, 270902, 520417, 1040834, 9887923, 19775846]

約数ペア:

[(1, 19775846), (2, 9887923), (19, 1040834), (38, 520417), (73, 270902), (146, 135451), (1387, 14258), (2774, 7129)]