19486173

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 31392000

約数和(自身を除く): 11905827

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 653, 1029, 1421, 1959, 4263, 4571, 9947, 13713, 18937, 29841, 31997, 56811, 95991, 132559, 223979, 397677, 671937, 927913, 2783739, 6495391, 19486173]

約数ペア:

[(1, 19486173), (3, 6495391), (7, 2783739), (21, 927913), (29, 671937), (49, 397677), (87, 223979), (147, 132559), (203, 95991), (343, 56811), (609, 31997), (653, 29841), (1029, 18937), (1421, 13713), (1959, 9947), (4263, 4571)]