18953431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4654

約数の個数: 16

約数和(自身を含む): 23541760

約数和(自身を除く): 4588329

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4597, 32179, 87343, 142507, 611401, 997549, 2707633, 18953431]

約数ペア:

[(1, 18953431), (7, 2707633), (19, 997549), (31, 611401), (133, 142507), (217, 87343), (589, 32179), (4123, 4597)]