2019921786

素因数分解:

$2^1\times 3^4\times {\mathrm{12468653}}^1$

素因数の和:12468667

約数の個数: 20

約数和(自身を含む): 4526121402

約数和(自身を除く): 2506199616

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 12468653, 24937306, 37405959, 74811918, 112217877, 224435754, 336653631, 673307262, 1009960893, 2019921786]

約数ペア:

[(1, 2019921786), (2, 1009960893), (3, 673307262), (6, 336653631), (9, 224435754), (18, 112217877), (27, 74811918), (54, 37405959), (81, 24937306), (162, 12468653)]