19317172

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1556

約数の個数: 36

約数和(自身を含む): 39938304

約数和(自身を除く): 20621132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1471, 1876, 2942, 3283, 5884, 6566, 10297, 13132, 20594, 41188, 72079, 98557, 144158, 197114, 288316, 394228, 689899, 1379798, 2759596, 4829293, 9658586, 19317172]

約数ペア:

[(1, 19317172), (2, 9658586), (4, 4829293), (7, 2759596), (14, 1379798), (28, 689899), (49, 394228), (67, 288316), (98, 197114), (134, 144158), (196, 98557), (268, 72079), (469, 41188), (938, 20594), (1471, 13132), (1876, 10297), (2942, 6566), (3283, 5884)]