19818456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 59458560

約数和(自身を除く): 39640104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 223, 276, 322, 446, 483, 529, 552, 644, 669, 892, 966, 1058, 1288, 1338, 1561, 1587, 1784, 1932, 2116, 2676, 3122, 3174, 3703, 3864, 4232, 4683, 5129, 5352, 6244, 6348, 7406, 9366, 10258, 11109, 12488, 12696, 14812, 15387, 18732, 20516, 22218, 29624, 30774, 35903, 37464, 41032, 44436, 61548, 71806, 88872, 107709, 117967, 123096, 143612, 215418, 235934, 287224, 353901, 430836, 471868, 707802, 825769, 861672, 943736, 1415604, 1651538, 2477307, 2831208, 3303076, 4954614, 6606152, 9909228, 19818456]

約数ペア:

[(1, 19818456), (2, 9909228), (3, 6606152), (4, 4954614), (6, 3303076), (7, 2831208), (8, 2477307), (12, 1651538), (14, 1415604), (21, 943736), (23, 861672), (24, 825769), (28, 707802), (42, 471868), (46, 430836), (56, 353901), (69, 287224), (84, 235934), (92, 215418), (138, 143612), (161, 123096), (168, 117967), (184, 107709), (223, 88872), (276, 71806), (322, 61548), (446, 44436), (483, 41032), (529, 37464), (552, 35903), (644, 30774), (669, 29624), (892, 22218), (966, 20516), (1058, 18732), (1288, 15387), (1338, 14812), (1561, 12696), (1587, 12488), (1784, 11109), (1932, 10258), (2116, 9366), (2676, 7406), (3122, 6348), (3174, 6244), (3703, 5352), (3864, 5129), (4232, 4683)]