19997534823

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{102251}}^1$

素因数の和:102467

約数の個数: 32

約数和(自身を含む): 31150049280

約数和(自身を除く): 11152514457

約数列:

[1, 3, 7, 21, 67, 139, 201, 417, 469, 973, 1407, 2919, 9313, 27939, 65191, 102251, 195573, 306753, 715757, 2147271, 6850817, 14212889, 20552451, 42638667, 47955719, 99490223, 143867157, 298470669, 952263563, 2856790689, 6665844941, 19997534823]

約数ペア:

[(1, 19997534823), (3, 6665844941), (7, 2856790689), (21, 952263563), (67, 298470669), (139, 143867157), (201, 99490223), (417, 47955719), (469, 42638667), (973, 20552451), (1407, 14212889), (2919, 6850817), (9313, 2147271), (27939, 715757), (65191, 306753), (102251, 195573)]