19643984

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1481}}^1$

素因数の和:2318

約数の個数: 20

約数和(自身を含む): 38131860

約数和(自身を除く): 18487876

約数列:

[1, 2, 4, 8, 16, 829, 1481, 1658, 2962, 3316, 5924, 6632, 11848, 13264, 23696, 1227749, 2455498, 4910996, 9821992, 19643984]

約数ペア:

[(1, 19643984), (2, 9821992), (4, 4910996), (8, 2455498), (16, 1227749), (829, 23696), (1481, 13264), (1658, 11848), (2962, 6632), (3316, 5924)]