18398996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 43352064

約数和(自身を除く): 24953068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 41, 44, 47, 62, 77, 82, 94, 124, 154, 164, 188, 217, 287, 308, 329, 341, 434, 451, 517, 574, 658, 682, 868, 902, 1034, 1148, 1271, 1316, 1364, 1457, 1804, 1927, 2068, 2387, 2542, 2914, 3157, 3619, 3854, 4774, 5084, 5828, 6314, 7238, 7708, 8897, 9548, 10199, 12628, 13489, 13981, 14476, 16027, 17794, 20398, 21197, 26978, 27962, 32054, 35588, 40796, 42394, 53956, 55924, 59737, 64108, 84788, 97867, 112189, 119474, 148379, 195734, 224378, 238948, 296758, 391468, 418159, 448756, 593516, 657107, 836318, 1314214, 1672636, 2628428, 4599749, 9199498, 18398996]

約数ペア:

[(1, 18398996), (2, 9199498), (4, 4599749), (7, 2628428), (11, 1672636), (14, 1314214), (22, 836318), (28, 657107), (31, 593516), (41, 448756), (44, 418159), (47, 391468), (62, 296758), (77, 238948), (82, 224378), (94, 195734), (124, 148379), (154, 119474), (164, 112189), (188, 97867), (217, 84788), (287, 64108), (308, 59737), (329, 55924), (341, 53956), (434, 42394), (451, 40796), (517, 35588), (574, 32054), (658, 27962), (682, 26978), (868, 21197), (902, 20398), (1034, 17794), (1148, 16027), (1271, 14476), (1316, 13981), (1364, 13489), (1457, 12628), (1804, 10199), (1927, 9548), (2068, 8897), (2387, 7708), (2542, 7238), (2914, 6314), (3157, 5828), (3619, 5084), (3854, 4774)]