18217967054

素因数分解:

$2^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{423457}}^1$

素因数の和:423912

約数の個数: 24

約数和(自身を含む): 31860979920

約数和(自身を除く): 13643012866

約数列:

[1, 2, 7, 14, 49, 98, 439, 878, 3073, 6146, 21511, 43022, 423457, 846914, 2964199, 5928398, 20749393, 41498786, 185897623, 371795246, 1301283361, 2602566722, 9108983527, 18217967054]

約数ペア:

[(1, 18217967054), (2, 9108983527), (7, 2602566722), (14, 1301283361), (49, 371795246), (98, 185897623), (439, 41498786), (878, 20749393), (3073, 5928398), (6146, 2964199), (21511, 846914), (43022, 423457)]