19785330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 53268480

約数和(自身を除く): 33483150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 577, 635, 762, 1143, 1154, 1270, 1731, 1905, 2286, 2885, 3429, 3462, 3810, 5193, 5715, 5770, 6858, 8655, 10386, 11430, 15579, 17145, 17310, 25965, 31158, 34290, 51930, 73279, 77895, 146558, 155790, 219837, 366395, 439674, 659511, 732790, 1099185, 1319022, 1978533, 2198370, 3297555, 3957066, 6595110, 9892665, 19785330]

約数ペア:

[(1, 19785330), (2, 9892665), (3, 6595110), (5, 3957066), (6, 3297555), (9, 2198370), (10, 1978533), (15, 1319022), (18, 1099185), (27, 732790), (30, 659511), (45, 439674), (54, 366395), (90, 219837), (127, 155790), (135, 146558), (254, 77895), (270, 73279), (381, 51930), (577, 34290), (635, 31158), (762, 25965), (1143, 17310), (1154, 17145), (1270, 15579), (1731, 11430), (1905, 10386), (2286, 8655), (2885, 6858), (3429, 5770), (3462, 5715), (3810, 5193)]