19814688

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 72

約数和(自身を含む): 56963088

約数和(自身を除く): 37148400

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, 642, 643, 856, 963, 1284, 1286, 1712, 1926, 1929, 2568, 2572, 3424, 3852, 3858, 5136, 5144, 5787, 7704, 7716, 10272, 10288, 11574, 15408, 15432, 20576, 23148, 30816, 30864, 46296, 61728, 68801, 92592, 137602, 185184, 206403, 275204, 412806, 550408, 619209, 825612, 1100816, 1238418, 1651224, 2201632, 2476836, 3302448, 4953672, 6604896, 9907344, 19814688]

約数ペア:

[(1, 19814688), (2, 9907344), (3, 6604896), (4, 4953672), (6, 3302448), (8, 2476836), (9, 2201632), (12, 1651224), (16, 1238418), (18, 1100816), (24, 825612), (32, 619209), (36, 550408), (48, 412806), (72, 275204), (96, 206403), (107, 185184), (144, 137602), (214, 92592), (288, 68801), (321, 61728), (428, 46296), (642, 30864), (643, 30816), (856, 23148), (963, 20576), (1284, 15432), (1286, 15408), (1712, 11574), (1926, 10288), (1929, 10272), (2568, 7716), (2572, 7704), (3424, 5787), (3852, 5144), (3858, 5136)]