19664378

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6397}}^1$

素因数の和:6481

約数の個数: 16

約数和(自身を含む): 31094280

約数和(自身を除く): 11429902

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6397, 12794, 185513, 339041, 371026, 678082, 9832189, 19664378]

約数ペア:

[(1, 19664378), (2, 9832189), (29, 678082), (53, 371026), (58, 339041), (106, 185513), (1537, 12794), (3074, 6397)]