19927404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 96

約数和(自身を含む): 60515840

約数和(自身を除く): 40588436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 613, 756, 774, 903, 1161, 1204, 1226, 1548, 1806, 1839, 2322, 2452, 2709, 3612, 3678, 4291, 4644, 5418, 5517, 7356, 8127, 8582, 10836, 11034, 12873, 16254, 16551, 17164, 22068, 25746, 26359, 32508, 33102, 38619, 51492, 52718, 66204, 77238, 79077, 105436, 115857, 154476, 158154, 184513, 231714, 237231, 316308, 369026, 463428, 474462, 553539, 711693, 738052, 948924, 1107078, 1423386, 1660617, 2214156, 2846772, 3321234, 4981851, 6642468, 9963702, 19927404]

約数ペア:

[(1, 19927404), (2, 9963702), (3, 6642468), (4, 4981851), (6, 3321234), (7, 2846772), (9, 2214156), (12, 1660617), (14, 1423386), (18, 1107078), (21, 948924), (27, 738052), (28, 711693), (36, 553539), (42, 474462), (43, 463428), (54, 369026), (63, 316308), (84, 237231), (86, 231714), (108, 184513), (126, 158154), (129, 154476), (172, 115857), (189, 105436), (252, 79077), (258, 77238), (301, 66204), (378, 52718), (387, 51492), (516, 38619), (602, 33102), (613, 32508), (756, 26359), (774, 25746), (903, 22068), (1161, 17164), (1204, 16551), (1226, 16254), (1548, 12873), (1806, 11034), (1839, 10836), (2322, 8582), (2452, 8127), (2709, 7356), (3612, 5517), (3678, 5418), (4291, 4644)]