19976807711

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1\times {\mathrm{2357}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 24252162048

約数和(自身を除く): 4275354337

約数列:

[1, 7, 23, 61, 161, 427, 863, 1403, 2357, 6041, 9821, 16499, 19849, 52643, 54211, 138943, 143777, 368501, 379477, 1006439, 1210789, 2034091, 3306871, 8475523, 14238637, 23148097, 46784093, 124079551, 327488651, 868556857, 2853829673, 19976807711]

約数ペア:

[(1, 19976807711), (7, 2853829673), (23, 868556857), (61, 327488651), (161, 124079551), (427, 46784093), (863, 23148097), (1403, 14238637), (2357, 8475523), (6041, 3306871), (9821, 2034091), (16499, 1210789), (19849, 1006439), (52643, 379477), (54211, 368501), (138943, 143777)]