19948994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 33611760

約数和(自身を除く): 13662766

約数列:

[1, 2, 13, 26, 37, 74, 89, 178, 233, 466, 481, 962, 1157, 2314, 3029, 3293, 6058, 6586, 8621, 17242, 20737, 41474, 42809, 85618, 112073, 224146, 269581, 539162, 767269, 1534538, 9974497, 19948994]

約数ペア:

[(1, 19948994), (2, 9974497), (13, 1534538), (26, 767269), (37, 539162), (74, 269581), (89, 224146), (178, 112073), (233, 85618), (466, 42809), (481, 41474), (962, 20737), (1157, 17242), (2314, 8621), (3029, 6586), (3293, 6058)]