19491189741

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1\times {\mathrm{5147}}^1$

素因数の和:5690

約数の個数: 48

約数和(自身を含む): 30443459904

約数和(自身を除く): 10952270163

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 467, 477, 901, 1401, 2703, 4203, 5147, 7939, 8109, 15441, 23817, 24751, 46323, 71451, 74253, 87499, 222759, 262497, 272791, 420767, 787491, 818373, 1262301, 2403649, 2455119, 3786903, 4637447, 7210947, 13912341, 21632841, 40862033, 41737023, 122586099, 127393397, 367758297, 382180191, 1146540573, 2165687749, 6497063247, 19491189741]

約数ペア:

[(1, 19491189741), (3, 6497063247), (9, 2165687749), (17, 1146540573), (51, 382180191), (53, 367758297), (153, 127393397), (159, 122586099), (467, 41737023), (477, 40862033), (901, 21632841), (1401, 13912341), (2703, 7210947), (4203, 4637447), (5147, 3786903), (7939, 2455119), (8109, 2403649), (15441, 1262301), (23817, 818373), (24751, 787491), (46323, 420767), (71451, 272791), (74253, 262497), (87499, 222759)]