19816567776

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{643061}}^1$

素因数の和:643184

約数の個数: 72

約数和(自身を含む): 56880120024

約数和(自身を除く): 37063552248

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, 856, 963, 1284, 1712, 1926, 2568, 3424, 3852, 5136, 7704, 10272, 15408, 30816, 643061, 1286122, 1929183, 2572244, 3858366, 5144488, 5787549, 7716732, 10288976, 11575098, 15433464, 20577952, 23150196, 30866928, 46300392, 61733856, 68807527, 92600784, 137615054, 185201568, 206422581, 275230108, 412845162, 550460216, 619267743, 825690324, 1100920432, 1238535486, 1651380648, 2201840864, 2477070972, 3302761296, 4954141944, 6605522592, 9908283888, 19816567776]

約数ペア:

[(1, 19816567776), (2, 9908283888), (3, 6605522592), (4, 4954141944), (6, 3302761296), (8, 2477070972), (9, 2201840864), (12, 1651380648), (16, 1238535486), (18, 1100920432), (24, 825690324), (32, 619267743), (36, 550460216), (48, 412845162), (72, 275230108), (96, 206422581), (107, 185201568), (144, 137615054), (214, 92600784), (288, 68807527), (321, 61733856), (428, 46300392), (642, 30866928), (856, 23150196), (963, 20577952), (1284, 15433464), (1712, 11575098), (1926, 10288976), (2568, 7716732), (3424, 5787549), (3852, 5144488), (5136, 3858366), (7704, 2572244), (10272, 1929183), (15408, 1286122), (30816, 643061)]