19215801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 30741984

約数和(自身を除く): 11526183

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 2897, 6633, 8691, 26073, 31867, 95601, 194099, 286803, 582297, 1746891, 2135089, 6405267, 19215801]

約数ペア:

[(1, 19215801), (3, 6405267), (9, 2135089), (11, 1746891), (33, 582297), (67, 286803), (99, 194099), (201, 95601), (603, 31867), (737, 26073), (2211, 8691), (2897, 6633)]