19860436981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1\times {\mathrm{4723}}^1$

素因数の和:5401

約数の個数: 32

約数和(自身を含む): 25066073088

約数和(自身を除く): 5205636107

約数列:

[1, 7, 11, 77, 97, 563, 679, 1067, 3941, 4723, 6193, 7469, 33061, 43351, 51953, 54611, 363671, 382277, 458131, 600721, 2659049, 3206917, 4205047, 5039441, 18613343, 29249539, 35276087, 204746773, 257927753, 1805494271, 2837205283, 19860436981]

約数ペア:

[(1, 19860436981), (7, 2837205283), (11, 1805494271), (77, 257927753), (97, 204746773), (563, 35276087), (679, 29249539), (1067, 18613343), (3941, 5039441), (4723, 4205047), (6193, 3206917), (7469, 2659049), (33061, 600721), (43351, 458131), (51953, 382277), (54611, 363671)]