19651016

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 51148800

約数和(自身を除く): 31497784

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 23, 28, 38, 44, 46, 56, 73, 76, 77, 88, 92, 133, 146, 152, 154, 161, 184, 209, 253, 266, 292, 308, 322, 418, 437, 506, 511, 532, 584, 616, 644, 803, 836, 874, 1012, 1022, 1064, 1288, 1387, 1463, 1606, 1672, 1679, 1748, 1771, 2024, 2044, 2774, 2926, 3059, 3212, 3358, 3496, 3542, 4088, 4807, 5548, 5621, 5852, 6118, 6424, 6716, 7084, 9614, 9709, 11096, 11242, 11704, 11753, 12236, 13432, 14168, 15257, 18469, 19228, 19418, 22484, 23506, 24472, 30514, 31901, 33649, 36938, 38456, 38836, 44968, 47012, 61028, 63802, 67298, 73876, 77672, 94024, 106799, 122056, 127604, 129283, 134596, 147752, 213598, 223307, 255208, 258566, 269192, 350911, 427196, 446614, 517132, 701822, 854392, 893228, 1034264, 1403644, 1786456, 2456377, 2807288, 4912754, 9825508, 19651016]

約数ペア:

[(1, 19651016), (2, 9825508), (4, 4912754), (7, 2807288), (8, 2456377), (11, 1786456), (14, 1403644), (19, 1034264), (22, 893228), (23, 854392), (28, 701822), (38, 517132), (44, 446614), (46, 427196), (56, 350911), (73, 269192), (76, 258566), (77, 255208), (88, 223307), (92, 213598), (133, 147752), (146, 134596), (152, 129283), (154, 127604), (161, 122056), (184, 106799), (209, 94024), (253, 77672), (266, 73876), (292, 67298), (308, 63802), (322, 61028), (418, 47012), (437, 44968), (506, 38836), (511, 38456), (532, 36938), (584, 33649), (616, 31901), (644, 30514), (803, 24472), (836, 23506), (874, 22484), (1012, 19418), (1022, 19228), (1064, 18469), (1288, 15257), (1387, 14168), (1463, 13432), (1606, 12236), (1672, 11753), (1679, 11704), (1748, 11242), (1771, 11096), (2024, 9709), (2044, 9614), (2774, 7084), (2926, 6716), (3059, 6424), (3212, 6118), (3358, 5852), (3496, 5621), (3542, 5548), (4088, 4807)]