19801094039

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 21191976960

約数和(自身を除く): 1390882921

約数列:

[1, 31, 61, 67, 373, 419, 1891, 2077, 4087, 11563, 12989, 22753, 24991, 25559, 28073, 126697, 156287, 705343, 774721, 792329, 870263, 1524451, 1712453, 4844897, 9533507, 10471229, 47257981, 53086043, 295538717, 324608099, 638744969, 19801094039]

約数ペア:

[(1, 19801094039), (31, 638744969), (61, 324608099), (67, 295538717), (373, 53086043), (419, 47257981), (1891, 10471229), (2077, 9533507), (4087, 4844897), (11563, 1712453), (12989, 1524451), (22753, 870263), (24991, 792329), (25559, 774721), (28073, 705343), (126697, 156287)]