19616778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 26247222

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1399, 1558, 2337, 2798, 4197, 4674, 7011, 8394, 12591, 14022, 25182, 26581, 53162, 57359, 79743, 114718, 159486, 172077, 239229, 344154, 478458, 516231, 1032462, 1089821, 2179642, 3269463, 6538926, 9808389, 19616778]

約数ペア:

[(1, 19616778), (2, 9808389), (3, 6538926), (6, 3269463), (9, 2179642), (18, 1089821), (19, 1032462), (38, 516231), (41, 478458), (57, 344154), (82, 239229), (114, 172077), (123, 159486), (171, 114718), (246, 79743), (342, 57359), (369, 53162), (738, 26581), (779, 25182), (1399, 14022), (1558, 12591), (2337, 8394), (2798, 7011), (4197, 4674)]