19378821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83891}}^1$

素因数の和:83912

約数の個数: 16

約数和(自身を含む): 32214528

約数和(自身を除く): 12835707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 83891, 251673, 587237, 922801, 1761711, 2768403, 6459607, 19378821]

約数ペア:

[(1, 19378821), (3, 6459607), (7, 2768403), (11, 1761711), (21, 922801), (33, 587237), (77, 251673), (231, 83891)]