1915020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{10639}}^1$

素因数の和:10654

約数の個数: 36

約数和(自身を含む): 5809440

約数和(自身を除く): 3894420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 10639, 21278, 31917, 42556, 53195, 63834, 95751, 106390, 127668, 159585, 191502, 212780, 319170, 383004, 478755, 638340, 957510, 1915020]

約数ペア:

[(1, 1915020), (2, 957510), (3, 638340), (4, 478755), (5, 383004), (6, 319170), (9, 212780), (10, 191502), (12, 159585), (15, 127668), (18, 106390), (20, 95751), (30, 63834), (36, 53195), (45, 42556), (60, 31917), (90, 21278), (180, 10639)]