18705312

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 35073504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 607, 642, 856, 963, 1214, 1284, 1712, 1821, 1926, 2428, 2568, 3424, 3642, 3852, 4856, 5136, 5463, 7284, 7704, 9712, 10272, 10926, 14568, 15408, 19424, 21852, 29136, 30816, 43704, 58272, 64949, 87408, 129898, 174816, 194847, 259796, 389694, 519592, 584541, 779388, 1039184, 1169082, 1558776, 2078368, 2338164, 3117552, 4676328, 6235104, 9352656, 18705312]

約数ペア:

[(1, 18705312), (2, 9352656), (3, 6235104), (4, 4676328), (6, 3117552), (8, 2338164), (9, 2078368), (12, 1558776), (16, 1169082), (18, 1039184), (24, 779388), (32, 584541), (36, 519592), (48, 389694), (72, 259796), (96, 194847), (107, 174816), (144, 129898), (214, 87408), (288, 64949), (321, 58272), (428, 43704), (607, 30816), (642, 29136), (856, 21852), (963, 19424), (1214, 15408), (1284, 14568), (1712, 10926), (1821, 10272), (1926, 9712), (2428, 7704), (2568, 7284), (3424, 5463), (3642, 5136), (3852, 4856)]