19787121986

素因数分解:

$2^1\times {\mathrm{449}}^1\times {\mathrm{839}}^1\times {\mathrm{26263}}^1$

素因数の和:27553

約数の個数: 16

約数和(自身を含む): 29783376000

約数和(自身を除く): 9996254014

約数列:

[1, 2, 449, 839, 898, 1678, 26263, 52526, 376711, 753422, 11792087, 22034657, 23584174, 44069314, 9893560993, 19787121986]

約数ペア:

[(1, 19787121986), (2, 9893560993), (449, 44069314), (839, 23584174), (898, 22034657), (1678, 11792087), (26263, 753422), (52526, 376711)]