19781594

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2843}}^1$

素因数の和:2930

約数の個数: 24

約数和(自身を含む): 35015328

約数和(自身を除く): 15233734

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 2843, 3479, 5686, 6958, 19901, 39802, 139307, 201853, 278614, 403706, 1412971, 2825942, 9890797, 19781594]

約数ペア:

[(1, 19781594), (2, 9890797), (7, 2825942), (14, 1412971), (49, 403706), (71, 278614), (98, 201853), (142, 139307), (497, 39802), (994, 19901), (2843, 6958), (3479, 5686)]