19694128

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26189}}^1$

素因数の和:26244

約数の個数: 20

約数和(自身を含む): 38970720

約数和(自身を除く): 19276592

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26189, 52378, 104756, 209512, 419024, 1230883, 2461766, 4923532, 9847064, 19694128]

約数ペア:

[(1, 19694128), (2, 9847064), (4, 4923532), (8, 2461766), (16, 1230883), (47, 419024), (94, 209512), (188, 104756), (376, 52378), (752, 26189)]