19551569168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{3229}}^1$

素因数の和:3564

約数の個数: 80

約数和(自身を含む): 40682418480

約数和(自身を除く): 21130849312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 197, 226, 272, 394, 452, 788, 904, 1576, 1808, 1921, 3152, 3229, 3349, 3842, 6458, 6698, 7684, 12916, 13396, 15368, 22261, 25832, 26792, 30736, 44522, 51664, 53584, 54893, 89044, 109786, 178088, 219572, 356176, 364877, 378437, 439144, 636113, 729754, 756874, 878288, 1272226, 1459508, 1513748, 2544452, 2919016, 3027496, 5088904, 5838032, 6054992, 6202909, 10177808, 10813921, 12405818, 21627842, 24811636, 43255684, 49623272, 71880769, 86511368, 99246544, 143761538, 173022736, 287523076, 575046152, 1150092304, 1221973073, 2443946146, 4887892292, 9775784584, 19551569168]

約数ペア:

[(1, 19551569168), (2, 9775784584), (4, 4887892292), (8, 2443946146), (16, 1221973073), (17, 1150092304), (34, 575046152), (68, 287523076), (113, 173022736), (136, 143761538), (197, 99246544), (226, 86511368), (272, 71880769), (394, 49623272), (452, 43255684), (788, 24811636), (904, 21627842), (1576, 12405818), (1808, 10813921), (1921, 10177808), (3152, 6202909), (3229, 6054992), (3349, 5838032), (3842, 5088904), (6458, 3027496), (6698, 2919016), (7684, 2544452), (12916, 1513748), (13396, 1459508), (15368, 1272226), (22261, 878288), (25832, 756874), (26792, 729754), (30736, 636113), (44522, 439144), (51664, 378437), (53584, 364877), (54893, 356176), (89044, 219572), (109786, 178088)]