19900524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 57541120

約数和(自身を除く): 37640596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 337, 399, 444, 518, 532, 674, 703, 777, 798, 1011, 1036, 1348, 1406, 1554, 1596, 2022, 2109, 2359, 2812, 3108, 4044, 4218, 4718, 4921, 6403, 7077, 8436, 9436, 9842, 12469, 12806, 14154, 14763, 19209, 19684, 24938, 25612, 28308, 29526, 37407, 38418, 44821, 49876, 59052, 74814, 76836, 87283, 89642, 134463, 149628, 174566, 179284, 236911, 261849, 268926, 349132, 473822, 523698, 537852, 710733, 947644, 1047396, 1421466, 1658377, 2842932, 3316754, 4975131, 6633508, 9950262, 19900524]

約数ペア:

[(1, 19900524), (2, 9950262), (3, 6633508), (4, 4975131), (6, 3316754), (7, 2842932), (12, 1658377), (14, 1421466), (19, 1047396), (21, 947644), (28, 710733), (37, 537852), (38, 523698), (42, 473822), (57, 349132), (74, 268926), (76, 261849), (84, 236911), (111, 179284), (114, 174566), (133, 149628), (148, 134463), (222, 89642), (228, 87283), (259, 76836), (266, 74814), (337, 59052), (399, 49876), (444, 44821), (518, 38418), (532, 37407), (674, 29526), (703, 28308), (777, 25612), (798, 24938), (1011, 19684), (1036, 19209), (1348, 14763), (1406, 14154), (1554, 12806), (1596, 12469), (2022, 9842), (2109, 9436), (2359, 8436), (2812, 7077), (3108, 6403), (4044, 4921), (4218, 4718)]