17759984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 22951696

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 113, 152, 176, 188, 209, 226, 304, 376, 418, 452, 517, 752, 836, 893, 904, 1034, 1243, 1672, 1786, 1808, 2068, 2147, 2486, 3344, 3572, 4136, 4294, 4972, 5311, 7144, 8272, 8588, 9823, 9944, 10622, 14288, 17176, 19646, 19888, 21244, 23617, 34352, 39292, 42488, 47234, 58421, 78584, 84976, 94468, 100909, 116842, 157168, 188936, 201818, 233684, 377872, 403636, 467368, 807272, 934736, 1109999, 1614544, 2219998, 4439996, 8879992, 17759984]

約数ペア:

[(1, 17759984), (2, 8879992), (4, 4439996), (8, 2219998), (11, 1614544), (16, 1109999), (19, 934736), (22, 807272), (38, 467368), (44, 403636), (47, 377872), (76, 233684), (88, 201818), (94, 188936), (113, 157168), (152, 116842), (176, 100909), (188, 94468), (209, 84976), (226, 78584), (304, 58421), (376, 47234), (418, 42488), (452, 39292), (517, 34352), (752, 23617), (836, 21244), (893, 19888), (904, 19646), (1034, 17176), (1243, 14288), (1672, 10622), (1786, 9944), (1808, 9823), (2068, 8588), (2147, 8272), (2486, 7144), (3344, 5311), (3572, 4972), (4136, 4294)]