19458128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64007}}^1$

素因数の和:64034

約数の個数: 20

約数和(自身を含む): 39684960

約数和(自身を除く): 20226832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64007, 128014, 256028, 512056, 1024112, 1216133, 2432266, 4864532, 9729064, 19458128]

約数ペア:

[(1, 19458128), (2, 9729064), (4, 4864532), (8, 2432266), (16, 1216133), (19, 1024112), (38, 512056), (76, 256028), (152, 128014), (304, 64007)]