19746804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 60673536

約数和(自身を除く): 40926732

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 49, 66, 71, 77, 84, 86, 98, 129, 132, 142, 147, 154, 172, 196, 213, 231, 258, 284, 294, 301, 308, 426, 462, 473, 497, 516, 539, 588, 602, 781, 852, 903, 924, 946, 994, 1078, 1204, 1419, 1491, 1562, 1617, 1806, 1892, 1988, 2107, 2156, 2343, 2838, 2982, 3053, 3124, 3234, 3311, 3479, 3612, 4214, 4686, 5467, 5676, 5964, 6106, 6321, 6468, 6622, 6958, 8428, 9159, 9372, 9933, 10437, 10934, 12212, 12642, 13244, 13916, 16401, 18318, 19866, 20874, 21371, 21868, 23177, 25284, 32802, 33583, 36636, 38269, 39732, 41748, 42742, 46354, 64113, 65604, 67166, 69531, 76538, 85484, 92708, 100749, 114807, 128226, 134332, 139062, 149597, 153076, 201498, 229614, 235081, 256452, 278124, 299194, 402996, 448791, 459228, 470162, 598388, 705243, 897582, 940324, 1410486, 1645567, 1795164, 2820972, 3291134, 4936701, 6582268, 9873402, 19746804]

約数ペア:

[(1, 19746804), (2, 9873402), (3, 6582268), (4, 4936701), (6, 3291134), (7, 2820972), (11, 1795164), (12, 1645567), (14, 1410486), (21, 940324), (22, 897582), (28, 705243), (33, 598388), (42, 470162), (43, 459228), (44, 448791), (49, 402996), (66, 299194), (71, 278124), (77, 256452), (84, 235081), (86, 229614), (98, 201498), (129, 153076), (132, 149597), (142, 139062), (147, 134332), (154, 128226), (172, 114807), (196, 100749), (213, 92708), (231, 85484), (258, 76538), (284, 69531), (294, 67166), (301, 65604), (308, 64113), (426, 46354), (462, 42742), (473, 41748), (497, 39732), (516, 38269), (539, 36636), (588, 33583), (602, 32802), (781, 25284), (852, 23177), (903, 21868), (924, 21371), (946, 20874), (994, 19866), (1078, 18318), (1204, 16401), (1419, 13916), (1491, 13244), (1562, 12642), (1617, 12212), (1806, 10934), (1892, 10437), (1988, 9933), (2107, 9372), (2156, 9159), (2343, 8428), (2838, 6958), (2982, 6622), (3053, 6468), (3124, 6321), (3234, 6106), (3311, 5964), (3479, 5676), (3612, 5467), (4214, 4686)]