19781971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 2571437

約数列:

[1, 11, 47, 83, 461, 517, 913, 3901, 5071, 21667, 38263, 42911, 238337, 420893, 1798361, 19781971]

約数ペア:

[(1, 19781971), (11, 1798361), (47, 420893), (83, 238337), (461, 42911), (517, 38263), (913, 21667), (3901, 5071)]