19847368

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{85549}}^1$

素因数の和:85584

約数の個数: 16

約数和(自身を含む): 38497500

約数和(自身を除く): 18650132

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 85549, 171098, 342196, 684392, 2480921, 4961842, 9923684, 19847368]

約数ペア:

[(1, 19847368), (2, 9923684), (4, 4961842), (8, 2480921), (29, 684392), (58, 342196), (116, 171098), (232, 85549)]