19856151

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3436

約数の個数: 32

約数和(自身を含む): 34713600

約数和(自身を除く): 14857449

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3389, 5859, 10167, 23723, 30501, 71169, 91503, 105059, 213507, 315177, 640521, 735413, 945531, 2206239, 2836593, 6618717, 19856151]

約数ペア:

[(1, 19856151), (3, 6618717), (7, 2836593), (9, 2206239), (21, 945531), (27, 735413), (31, 640521), (63, 315177), (93, 213507), (189, 105059), (217, 91503), (279, 71169), (651, 30501), (837, 23723), (1953, 10167), (3389, 5859)]