13075420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1811}}^1$

素因数の和:1858

約数の個数: 36

約数和(自身を含む): 28995624

約数和(自身を除く): 15920204

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 1811, 3610, 3622, 7220, 7244, 9055, 18110, 34409, 36220, 68818, 137636, 172045, 344090, 653771, 688180, 1307542, 2615084, 3268855, 6537710, 13075420]

約数ペア:

[(1, 13075420), (2, 6537710), (4, 3268855), (5, 2615084), (10, 1307542), (19, 688180), (20, 653771), (38, 344090), (76, 172045), (95, 137636), (190, 68818), (361, 36220), (380, 34409), (722, 18110), (1444, 9055), (1805, 7244), (1811, 7220), (3610, 3622)]