1815920988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{8849}}^1$

素因数の和:9219

約数の個数: 72

約数和(自身を含む): 4943610000

約数和(自身を除く): 3127689012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 349, 588, 698, 1047, 1396, 2094, 2443, 4188, 4886, 7329, 8849, 9772, 14658, 17101, 17698, 26547, 29316, 34202, 35396, 51303, 53094, 61943, 68404, 102606, 106188, 123886, 185829, 205212, 247772, 371658, 433601, 743316, 867202, 1300803, 1734404, 2601606, 3088301, 5203212, 6176602, 9264903, 12353204, 18529806, 21618107, 37059612, 43236214, 64854321, 86472428, 129708642, 151326749, 259417284, 302653498, 453980247, 605306996, 907960494, 1815920988]

約数ペア:

[(1, 1815920988), (2, 907960494), (3, 605306996), (4, 453980247), (6, 302653498), (7, 259417284), (12, 151326749), (14, 129708642), (21, 86472428), (28, 64854321), (42, 43236214), (49, 37059612), (84, 21618107), (98, 18529806), (147, 12353204), (196, 9264903), (294, 6176602), (349, 5203212), (588, 3088301), (698, 2601606), (1047, 1734404), (1396, 1300803), (2094, 867202), (2443, 743316), (4188, 433601), (4886, 371658), (7329, 247772), (8849, 205212), (9772, 185829), (14658, 123886), (17101, 106188), (17698, 102606), (26547, 68404), (29316, 61943), (34202, 53094), (35396, 51303)]