19406961

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 34877440

約数和(自身を除く): 15470479

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 523, 589, 651, 1197, 1569, 1767, 1953, 3661, 4123, 4707, 5301, 9937, 10983, 12369, 16213, 29811, 32949, 37107, 48639, 69559, 89433, 113491, 145917, 208677, 308047, 340473, 626031, 924141, 1021419, 2156329, 2772423, 6468987, 19406961]

約数ペア:

[(1, 19406961), (3, 6468987), (7, 2772423), (9, 2156329), (19, 1021419), (21, 924141), (31, 626031), (57, 340473), (63, 308047), (93, 208677), (133, 145917), (171, 113491), (217, 89433), (279, 69559), (399, 48639), (523, 37107), (589, 32949), (651, 29811), (1197, 16213), (1569, 12369), (1767, 10983), (1953, 9937), (3661, 5301), (4123, 4707)]