18719448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 37164072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 43, 44, 51, 66, 68, 86, 88, 97, 102, 129, 132, 136, 172, 187, 194, 204, 258, 264, 291, 344, 374, 388, 408, 473, 516, 561, 582, 731, 748, 776, 946, 1032, 1067, 1122, 1164, 1419, 1462, 1496, 1649, 1892, 2134, 2193, 2244, 2328, 2838, 2924, 3201, 3298, 3784, 4171, 4268, 4386, 4488, 4947, 5676, 5848, 6402, 6596, 8041, 8342, 8536, 8772, 9894, 11352, 12513, 12804, 13192, 16082, 16684, 17544, 18139, 19788, 24123, 25026, 25608, 32164, 33368, 36278, 39576, 45881, 48246, 50052, 54417, 64328, 70907, 72556, 91762, 96492, 100104, 108834, 137643, 141814, 145112, 183524, 192984, 212721, 217668, 275286, 283628, 367048, 425442, 435336, 550572, 567256, 779977, 850884, 1101144, 1559954, 1701768, 2339931, 3119908, 4679862, 6239816, 9359724, 18719448]

約数ペア:

[(1, 18719448), (2, 9359724), (3, 6239816), (4, 4679862), (6, 3119908), (8, 2339931), (11, 1701768), (12, 1559954), (17, 1101144), (22, 850884), (24, 779977), (33, 567256), (34, 550572), (43, 435336), (44, 425442), (51, 367048), (66, 283628), (68, 275286), (86, 217668), (88, 212721), (97, 192984), (102, 183524), (129, 145112), (132, 141814), (136, 137643), (172, 108834), (187, 100104), (194, 96492), (204, 91762), (258, 72556), (264, 70907), (291, 64328), (344, 54417), (374, 50052), (388, 48246), (408, 45881), (473, 39576), (516, 36278), (561, 33368), (582, 32164), (731, 25608), (748, 25026), (776, 24123), (946, 19788), (1032, 18139), (1067, 17544), (1122, 16684), (1164, 16082), (1419, 13192), (1462, 12804), (1496, 12513), (1649, 11352), (1892, 9894), (2134, 8772), (2193, 8536), (2244, 8342), (2328, 8041), (2838, 6596), (2924, 6402), (3201, 5848), (3298, 5676), (3784, 4947), (4171, 4488), (4268, 4386)]