19374520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4003}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 47927880

約数和(自身を除く): 28553360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4003, 4840, 8006, 16012, 20015, 32024, 40030, 44033, 80060, 88066, 160120, 176132, 220165, 352264, 440330, 484363, 880660, 968726, 1761320, 1937452, 2421815, 3874904, 4843630, 9687260, 19374520]

約数ペア:

[(1, 19374520), (2, 9687260), (4, 4843630), (5, 3874904), (8, 2421815), (10, 1937452), (11, 1761320), (20, 968726), (22, 880660), (40, 484363), (44, 440330), (55, 352264), (88, 220165), (110, 176132), (121, 160120), (220, 88066), (242, 80060), (440, 44033), (484, 40030), (605, 32024), (968, 20015), (1210, 16012), (2420, 8006), (4003, 4840)]