19910584

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60703}}^1$

素因数の和:60750

約数の個数: 16

約数和(自身を含む): 38243520

約数和(自身を除く): 18332936

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60703, 121406, 242812, 485624, 2488823, 4977646, 9955292, 19910584]

約数ペア:

[(1, 19910584), (2, 9955292), (4, 4977646), (8, 2488823), (41, 485624), (82, 242812), (164, 121406), (328, 60703)]