19990434

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1699}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 21870366

約数列:

[1, 2, 3, 6, 37, 53, 74, 106, 111, 159, 222, 318, 1699, 1961, 3398, 3922, 5097, 5883, 10194, 11766, 62863, 90047, 125726, 180094, 188589, 270141, 377178, 540282, 3331739, 6663478, 9995217, 19990434]

約数ペア:

[(1, 19990434), (2, 9995217), (3, 6663478), (6, 3331739), (37, 540282), (53, 377178), (74, 270141), (106, 188589), (111, 180094), (159, 125726), (222, 90047), (318, 62863), (1699, 11766), (1961, 10194), (3398, 5883), (3922, 5097)]