19972624

素因数分解:

$2^4\times 7^1\times {\mathrm{178327}}^1$

素因数の和:178342

約数の個数: 20

約数和(自身を含む): 44225344

約数和(自身を除く): 24252720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178327, 356654, 713308, 1248289, 1426616, 2496578, 2853232, 4993156, 9986312, 19972624]

約数ペア:

[(1, 19972624), (2, 9986312), (4, 4993156), (7, 2853232), (8, 2496578), (14, 1426616), (16, 1248289), (28, 713308), (56, 356654), (112, 178327)]