19017328

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 43568640

約数和(自身を除く): 24551312

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 121, 152, 176, 188, 209, 242, 304, 376, 418, 484, 517, 752, 836, 893, 968, 1034, 1331, 1672, 1786, 1936, 2068, 2299, 2662, 3344, 3572, 4136, 4598, 5324, 5687, 7144, 8272, 9196, 9823, 10648, 11374, 14288, 18392, 19646, 21296, 22748, 25289, 36784, 39292, 45496, 50578, 62557, 78584, 90992, 101156, 108053, 125114, 157168, 202312, 216106, 250228, 404624, 432212, 500456, 864424, 1000912, 1188583, 1728848, 2377166, 4754332, 9508664, 19017328]

約数ペア:

[(1, 19017328), (2, 9508664), (4, 4754332), (8, 2377166), (11, 1728848), (16, 1188583), (19, 1000912), (22, 864424), (38, 500456), (44, 432212), (47, 404624), (76, 250228), (88, 216106), (94, 202312), (121, 157168), (152, 125114), (176, 108053), (188, 101156), (209, 90992), (242, 78584), (304, 62557), (376, 50578), (418, 45496), (484, 39292), (517, 36784), (752, 25289), (836, 22748), (893, 21296), (968, 19646), (1034, 18392), (1331, 14288), (1672, 11374), (1786, 10648), (1936, 9823), (2068, 9196), (2299, 8272), (2662, 7144), (3344, 5687), (3572, 5324), (4136, 4598)]